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7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 * See README.txt for an overview of the Vim source code.
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8 */
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9
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10 #include "vim.h"
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11
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12 #ifdef FEAT_LINEBREAK
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13 static int win_chartabsize __ARGS((win_T *wp, char_u *p, colnr_T col));
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14 #endif
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15
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16 #ifdef FEAT_MBYTE
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17 static int win_nolbr_chartabsize __ARGS((win_T *wp, char_u *s, colnr_T col, int *headp));
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18 #endif
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19
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20 static int nr2hex __ARGS((int c));
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21
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22 static int chartab_initialized = FALSE;
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23
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24 /* b_chartab[] is an array of 32 bytes, each bit representing one of the
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25 * characters 0-255. */
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26 #define SET_CHARTAB(buf, c) (buf)->b_chartab[(unsigned)(c) >> 3] |= (1 << ((c) & 0x7))
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27 #define RESET_CHARTAB(buf, c) (buf)->b_chartab[(unsigned)(c) >> 3] &= ~(1 << ((c) & 0x7))
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28 #define GET_CHARTAB(buf, c) ((buf)->b_chartab[(unsigned)(c) >> 3] & (1 << ((c) & 0x7)))
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29
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30 /*
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31 * Fill chartab[]. Also fills curbuf->b_chartab[] with flags for keyword
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32 * characters for current buffer.
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33 *
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34 * Depends on the option settings 'iskeyword', 'isident', 'isfname',
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35 * 'isprint' and 'encoding'.
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36 *
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37 * The index in chartab[] depends on 'encoding':
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38 * - For non-multi-byte index with the byte (same as the character).
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39 * - For DBCS index with the first byte.
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40 * - For UTF-8 index with the character (when first byte is up to 0x80 it is
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41 * the same as the character, if the first byte is 0x80 and above it depends
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42 * on further bytes).
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43 *
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44 * The contents of chartab[]:
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45 * - The lower two bits, masked by CT_CELL_MASK, give the number of display
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46 * cells the character occupies (1 or 2). Not valid for UTF-8 above 0x80.
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47 * - CT_PRINT_CHAR bit is set when the character is printable (no need to
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48 * translate the character before displaying it). Note that only DBCS
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49 * characters can have 2 display cells and still be printable.
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50 * - CT_FNAME_CHAR bit is set when the character can be in a file name.
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51 * - CT_ID_CHAR bit is set when the character can be in an identifier.
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52 *
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53 * Return FAIL if 'iskeyword', 'isident', 'isfname' or 'isprint' option has an
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54 * error, OK otherwise.
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55 */
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56 int
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57 init_chartab()
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58 {
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59 return buf_init_chartab(curbuf, TRUE);
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60 }
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61
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62 int
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63 buf_init_chartab(buf, global)
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64 buf_T *buf;
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65 int global; /* FALSE: only set buf->b_chartab[] */
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66 {
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67 int c;
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68 int c2;
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69 char_u *p;
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70 int i;
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71 int tilde;
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72 int do_isalpha;
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73
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74 if (global)
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75 {
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76 /*
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77 * Set the default size for printable characters:
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78 * From <Space> to '~' is 1 (printable), others are 2 (not printable).
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79 * This also inits all 'isident' and 'isfname' flags to FALSE.
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80 *
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81 * EBCDIC: all chars below ' ' are not printable, all others are
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82 * printable.
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83 */
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84 c = 0;
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85 while (c < ' ')
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86 chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2;
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87 #ifdef EBCDIC
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88 while (c < 255)
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89 #else
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90 while (c <= '~')
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91 #endif
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92 chartab[c++] = 1 + CT_PRINT_CHAR;
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93 #ifdef FEAT_FKMAP
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94 if (p_altkeymap)
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95 {
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96 while (c < YE)
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97 chartab[c++] = 1 + CT_PRINT_CHAR;
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98 }
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99 #endif
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100 while (c < 256)
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101 {
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102 #ifdef FEAT_MBYTE
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103 /* UTF-8: bytes 0xa0 - 0xff are printable (latin1) */
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104 if (enc_utf8 && c >= 0xa0)
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105 chartab[c++] = CT_PRINT_CHAR + 1;
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106 /* euc-jp characters starting with 0x8e are single width */
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107 else if (enc_dbcs == DBCS_JPNU && c == 0x8e)
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108 chartab[c++] = CT_PRINT_CHAR + 1;
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109 /* other double-byte chars can be printable AND double-width */
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110 else if (enc_dbcs != 0 && MB_BYTE2LEN(c) == 2)
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111 chartab[c++] = CT_PRINT_CHAR + 2;
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112 else
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113 #endif
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114 /* the rest is unprintable by default */
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115 chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2;
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116 }
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117
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118 #ifdef FEAT_MBYTE
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119 /* Assume that every multi-byte char is a filename character. */
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120 for (c = 1; c < 256; ++c)
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121 if ((enc_dbcs != 0 && MB_BYTE2LEN(c) > 1)
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122 || (enc_dbcs == DBCS_JPNU && c == 0x8e)
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123 || (enc_utf8 && c >= 0xa0))
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124 chartab[c] |= CT_FNAME_CHAR;
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125 #endif
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126 }
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127
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128 /*
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129 * Init word char flags all to FALSE
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130 */
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131 vim_memset(buf->b_chartab, 0, (size_t)32);
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132 #ifdef FEAT_MBYTE
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133 for (c = 0; c < 256; ++c)
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134 {
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135 /* double-byte characters are probably word characters */
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136 if (enc_dbcs != 0 && MB_BYTE2LEN(c) == 2)
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137 SET_CHARTAB(buf, c);
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138 }
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139 #endif
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140
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141 #ifdef FEAT_LISP
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142 /*
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143 * In lisp mode the '-' character is included in keywords.
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144 */
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145 if (buf->b_p_lisp)
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146 SET_CHARTAB(buf, '-');
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147 #endif
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148
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149 /* Walk through the 'isident', 'iskeyword', 'isfname' and 'isprint'
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150 * options Each option is a list of characters, character numbers or
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151 * ranges, separated by commas, e.g.: "200-210,x,#-178,-"
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152 */
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153 for (i = global ? 0 : 3; i <= 3; ++i)
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154 {
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155 if (i == 0)
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156 p = p_isi; /* first round: 'isident' */
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157 else if (i == 1)
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158 p = p_isp; /* second round: 'isprint' */
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159 else if (i == 2)
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160 p = p_isf; /* third round: 'isfname' */
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161 else /* i == 3 */
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162 p = buf->b_p_isk; /* fourth round: 'iskeyword' */
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163
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164 while (*p)
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165 {
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166 tilde = FALSE;
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167 do_isalpha = FALSE;
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168 if (*p == '^' && p[1] != NUL)
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169 {
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170 tilde = TRUE;
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171 ++p;
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172 }
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173 if (VIM_ISDIGIT(*p))
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174 c = getdigits(&p);
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175 else
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176 c = *p++;
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177 c2 = -1;
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178 if (*p == '-' && p[1] != NUL)
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179 {
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180 ++p;
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181 if (VIM_ISDIGIT(*p))
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182 c2 = getdigits(&p);
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183 else
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184 c2 = *p++;
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185 }
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186 if (c <= 0 || (c2 < c && c2 != -1) || c2 >= 256
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187 || !(*p == NUL || *p == ','))
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188 return FAIL;
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189
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190 if (c2 == -1) /* not a range */
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191 {
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192 /*
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193 * A single '@' (not "@-@"):
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194 * Decide on letters being ID/printable/keyword chars with
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195 * standard function isalpha(). This takes care of locale for
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196 * single-byte characters).
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197 */
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198 if (c == '@')
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199 {
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200 do_isalpha = TRUE;
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201 c = 1;
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202 c2 = 255;
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203 }
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204 else
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205 c2 = c;
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206 }
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207 while (c <= c2)
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208 {
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209 if (!do_isalpha || isalpha(c)
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210 #ifdef FEAT_FKMAP
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211 || (p_altkeymap && (F_isalpha(c) || F_isdigit(c)))
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212 #endif
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213 )
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214 {
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215 if (i == 0) /* (re)set ID flag */
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216 {
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217 if (tilde)
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218 chartab[c] &= ~CT_ID_CHAR;
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219 else
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220 chartab[c] |= CT_ID_CHAR;
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221 }
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222 else if (i == 1) /* (re)set printable */
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223 {
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224 if ((c < ' '
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225 #ifndef EBCDIC
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226 || c > '~'
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227 #endif
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228 #ifdef FEAT_FKMAP
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229 || (p_altkeymap
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230 && (F_isalpha(c) || F_isdigit(c)))
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231 #endif
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232 )
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233 #ifdef FEAT_MBYTE
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234 /* For double-byte we keep the cell width, so
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235 * that we can detect it from the first byte. */
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236 && !(enc_dbcs && MB_BYTE2LEN(c) == 2)
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237 #endif
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238 )
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239 {
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240 if (tilde)
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241 {
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242 chartab[c] = (chartab[c] & ~CT_CELL_MASK)
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243 + ((dy_flags & DY_UHEX) ? 4 : 2);
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244 chartab[c] &= ~CT_PRINT_CHAR;
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245 }
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246 else
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247 {
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248 chartab[c] = (chartab[c] & ~CT_CELL_MASK) + 1;
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249 chartab[c] |= CT_PRINT_CHAR;
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250 }
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251 }
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252 }
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253 else if (i == 2) /* (re)set fname flag */
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254 {
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255 if (tilde)
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256 chartab[c] &= ~CT_FNAME_CHAR;
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257 else
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258 chartab[c] |= CT_FNAME_CHAR;
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259 }
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260 else /* i == 3 */ /* (re)set keyword flag */
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261 {
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262 if (tilde)
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263 RESET_CHARTAB(buf, c);
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264 else
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265 SET_CHARTAB(buf, c);
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266 }
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267 }
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268 ++c;
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269 }
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270 p = skip_to_option_part(p);
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271 }
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272 }
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273 chartab_initialized = TRUE;
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274 return OK;
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275 }
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276
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277 /*
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278 * Translate any special characters in buf[bufsize] in-place.
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279 * The result is a string with only printable characters, but if there is not
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280 * enough room, not all characters will be translated.
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281 */
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282 void
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283 trans_characters(buf, bufsize)
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284 char_u *buf;
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285 int bufsize;
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286 {
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287 int len; /* length of string needing translation */
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288 int room; /* room in buffer after string */
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289 char_u *trs; /* translated character */
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290 int trs_len; /* length of trs[] */
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291
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292 len = (int)STRLEN(buf);
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293 room = bufsize - len;
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294 while (*buf != 0)
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295 {
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296 # ifdef FEAT_MBYTE
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297 /* Assume a multi-byte character doesn't need translation. */
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298 if (has_mbyte && (trs_len = (*mb_ptr2len_check)(buf)) > 1)
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299 len -= trs_len;
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300 else
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301 # endif
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302 {
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303 trs = transchar_byte(*buf);
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304 trs_len = (int)STRLEN(trs);
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305 if (trs_len > 1)
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306 {
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307 room -= trs_len - 1;
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308 if (room <= 0)
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309 return;
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310 mch_memmove(buf + trs_len, buf + 1, (size_t)len);
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311 }
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312 mch_memmove(buf, trs, (size_t)trs_len);
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313 --len;
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314 }
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315 buf += trs_len;
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316 }
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317 }
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318
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319 #if defined(FEAT_EVAL) || defined(FEAT_TITLE) || defined(PROTO)
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320 /*
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321 * Translate a string into allocated memory, replacing special chars with
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322 * printable chars. Returns NULL when out of memory.
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323 */
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324 char_u *
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325 transstr(s)
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326 char_u *s;
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327 {
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328 char_u *res;
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329 char_u *p;
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330 #ifdef FEAT_MBYTE
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331 int l, len, c;
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332 char_u hexbuf[11];
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333 #endif
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334
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335 #ifdef FEAT_MBYTE
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336 if (has_mbyte)
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337 {
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338 /* Compute the length of the result, taking account of unprintable
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339 * multi-byte characters. */
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340 len = 0;
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341 p = s;
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342 while (*p != NUL)
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343 {
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344 if ((l = (*mb_ptr2len_check)(p)) > 1)
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345 {
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346 c = (*mb_ptr2char)(p);
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347 p += l;
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348 if (vim_isprintc(c))
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349 len += l;
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350 else
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351 {
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352 transchar_hex(hexbuf, c);
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353 len += STRLEN(hexbuf);
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354 }
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355 }
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356 else
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357 {
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358 l = byte2cells(*p++);
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359 if (l > 0)
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360 len += l;
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361 else
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362 len += 4; /* illegal byte sequence */
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363 }
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364 }
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365 res = alloc((unsigned)(len + 1));
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366 }
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367 else
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368 #endif
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369 res = alloc((unsigned)(vim_strsize(s) + 1));
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370 if (res != NULL)
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371 {
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372 *res = NUL;
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373 p = s;
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374 while (*p != NUL)
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375 {
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376 #ifdef FEAT_MBYTE
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377 if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
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378 {
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379 c = (*mb_ptr2char)(p);
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380 if (vim_isprintc(c))
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381 STRNCAT(res, p, l); /* append printable multi-byte char */
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382 else
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383 transchar_hex(res + STRLEN(res), c);
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384 p += l;
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385 }
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386 else
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387 #endif
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388 STRCAT(res, transchar_byte(*p++));
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389 }
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390 }
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391 return res;
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392 }
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393 #endif
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394
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395 #if defined(FEAT_SYN_HL) || defined(FEAT_INS_EXPAND) || defined(PROTO)
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396 /*
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397 * Convert the string "p[len]" to do ignore-case comparing. Uses the current
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398 * locale. Returns an allocated string (NULL for out-of-memory).
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399 */
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400 char_u *
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401 str_foldcase(str, len)
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402 char_u *str;
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403 int len;
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404 {
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405 garray_T ga;
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406 int i;
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407
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408 #define GA_CHAR(i) ((char_u *)ga.ga_data)[i]
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409 #define GA_PTR(i) ((char_u *)ga.ga_data + i)
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410
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411 /* Copy "str" into allocated memory, unmodified. */
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412 ga_init2(&ga, 1, 10);
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413 if (ga_grow(&ga, len + 1) == FAIL)
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414 return NULL;
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415 mch_memmove(ga.ga_data, str, (size_t)len);
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|
|
416 GA_CHAR(len) = NUL;
|
|
|
417 ga.ga_len = len;
|
|
|
418
|
|
|
419 /* Make each character lower case. */
|
|
|
420 i = 0;
|
|
|
421 while (GA_CHAR(i) != NUL)
|
|
|
422 {
|
|
|
423 #ifdef FEAT_MBYTE
|
|
|
424 if (enc_utf8 || (has_mbyte && MB_BYTE2LEN(GA_CHAR(i)) > 1))
|
|
|
425 {
|
|
|
426 if (enc_utf8)
|
|
|
427 {
|
|
|
428 int c, lc;
|
|
|
429
|
|
|
430 c = utf_ptr2char(GA_PTR(i));
|
|
|
431 lc = utf_tolower(c);
|
|
|
432 if (c != lc)
|
|
|
433 {
|
|
|
434 int ol = utf_char2len(c);
|
|
|
435 int nl = utf_char2len(lc);
|
|
|
436
|
|
|
437 /* If the byte length changes need to shift the following
|
|
|
438 * characters forward or backward. */
|
|
|
439 if (ol != nl)
|
|
|
440 {
|
|
|
441 if (nl > ol)
|
|
|
442 if (ga_grow(&ga, nl - ol) == FAIL)
|
|
|
443 {
|
|
|
444 /* out of memory, keep old char */
|
|
|
445 lc = c;
|
|
|
446 nl = ol;
|
|
|
447 }
|
|
|
448 if (ol != nl)
|
|
|
449 {
|
|
|
450 mch_memmove(GA_PTR(i) + nl, GA_PTR(i) + ol,
|
|
|
451 STRLEN(GA_PTR(i) + ol) + 1);
|
|
|
452 ga.ga_len += nl - ol;
|
|
|
453 }
|
|
|
454 }
|
|
|
455 (void)utf_char2bytes(lc, GA_PTR(i));
|
|
|
456 }
|
|
|
457 }
|
|
|
458 /* skip to next multi-byte char */
|
|
|
459 i += (*mb_ptr2len_check)(GA_PTR(i));
|
|
|
460 }
|
|
|
461 else
|
|
|
462 #endif
|
|
|
463 {
|
|
|
464 GA_CHAR(i) = TOLOWER_LOC(GA_CHAR(i));
|
|
|
465 ++i;
|
|
|
466 }
|
|
|
467 }
|
|
|
468
|
|
|
469 return (char_u *)ga.ga_data;
|
|
|
470 }
|
|
|
471 #endif
|
|
|
472
|
|
|
473 /*
|
|
|
474 * Catch 22: chartab[] can't be initialized before the options are
|
|
|
475 * initialized, and initializing options may cause transchar() to be called!
|
|
|
476 * When chartab_initialized == FALSE don't use chartab[].
|
|
|
477 * Does NOT work for multi-byte characters, c must be <= 255.
|
|
|
478 * Also doesn't work for the first byte of a multi-byte, "c" must be a
|
|
|
479 * character!
|
|
|
480 */
|
|
|
481 static char_u transchar_buf[7];
|
|
|
482
|
|
|
483 char_u *
|
|
|
484 transchar(c)
|
|
|
485 int c;
|
|
|
486 {
|
|
|
487 int i;
|
|
|
488
|
|
|
489 i = 0;
|
|
|
490 if (IS_SPECIAL(c)) /* special key code, display as ~@ char */
|
|
|
491 {
|
|
|
492 transchar_buf[0] = '~';
|
|
|
493 transchar_buf[1] = '@';
|
|
|
494 i = 2;
|
|
|
495 c = K_SECOND(c);
|
|
|
496 }
|
|
|
497
|
|
|
498 if ((!chartab_initialized && (
|
|
|
499 #ifdef EBCDIC
|
|
|
500 (c >= 64 && c < 255)
|
|
|
501 #else
|
|
|
502 (c >= ' ' && c <= '~')
|
|
|
503 #endif
|
|
|
504 #ifdef FEAT_FKMAP
|
|
|
505 || F_ischar(c)
|
|
|
506 #endif
|
|
|
507 )) || (c < 256 && vim_isprintc_strict(c)))
|
|
|
508 {
|
|
|
509 /* printable character */
|
|
|
510 transchar_buf[i] = c;
|
|
|
511 transchar_buf[i + 1] = NUL;
|
|
|
512 }
|
|
|
513 else
|
|
|
514 transchar_nonprint(transchar_buf + i, c);
|
|
|
515 return transchar_buf;
|
|
|
516 }
|
|
|
517
|
|
|
518 #if defined(FEAT_MBYTE) || defined(PROTO)
|
|
|
519 /*
|
|
|
520 * Like transchar(), but called with a byte instead of a character. Checks
|
|
|
521 * for an illegal UTF-8 byte.
|
|
|
522 */
|
|
|
523 char_u *
|
|
|
524 transchar_byte(c)
|
|
|
525 int c;
|
|
|
526 {
|
|
|
527 if (enc_utf8 && c >= 0x80)
|
|
|
528 {
|
|
|
529 transchar_nonprint(transchar_buf, c);
|
|
|
530 return transchar_buf;
|
|
|
531 }
|
|
|
532 return transchar(c);
|
|
|
533 }
|
|
|
534 #endif
|
|
|
535
|
|
|
536 /*
|
|
|
537 * Convert non-printable character to two or more printable characters in
|
|
|
538 * "buf[]". "buf" needs to be able to hold five bytes.
|
|
|
539 * Does NOT work for multi-byte characters, c must be <= 255.
|
|
|
540 */
|
|
|
541 void
|
|
|
542 transchar_nonprint(buf, c)
|
|
|
543 char_u *buf;
|
|
|
544 int c;
|
|
|
545 {
|
|
|
546 if (c == NL)
|
|
|
547 c = NUL; /* we use newline in place of a NUL */
|
|
|
548 else if (c == CAR && get_fileformat(curbuf) == EOL_MAC)
|
|
|
549 c = NL; /* we use CR in place of NL in this case */
|
|
|
550
|
|
|
551 if (dy_flags & DY_UHEX) /* 'display' has "uhex" */
|
|
|
552 transchar_hex(buf, c);
|
|
|
553
|
|
|
554 #ifdef EBCDIC
|
|
|
555 /* For EBCDIC only the characters 0-63 and 255 are not printable */
|
|
|
556 else if (CtrlChar(c) != 0 || c == DEL)
|
|
|
557 #else
|
|
|
558 else if (c <= 0x7f) /* 0x00 - 0x1f and 0x7f */
|
|
|
559 #endif
|
|
|
560 {
|
|
|
561 buf[0] = '^';
|
|
|
562 #ifdef EBCDIC
|
|
|
563 if (c == DEL)
|
|
|
564 buf[1] = '?'; /* DEL displayed as ^? */
|
|
|
565 else
|
|
|
566 buf[1] = CtrlChar(c);
|
|
|
567 #else
|
|
|
568 buf[1] = c ^ 0x40; /* DEL displayed as ^? */
|
|
|
569 #endif
|
|
|
570
|
|
|
571 buf[2] = NUL;
|
|
|
572 }
|
|
|
573 #ifdef FEAT_MBYTE
|
|
|
574 else if (enc_utf8 && c >= 0x80)
|
|
|
575 {
|
|
|
576 transchar_hex(buf, c);
|
|
|
577 }
|
|
|
578 #endif
|
|
|
579 #ifndef EBCDIC
|
|
|
580 else if (c >= ' ' + 0x80 && c <= '~' + 0x80) /* 0xa0 - 0xfe */
|
|
|
581 {
|
|
|
582 buf[0] = '|';
|
|
|
583 buf[1] = c - 0x80;
|
|
|
584 buf[2] = NUL;
|
|
|
585 }
|
|
|
586 #else
|
|
|
587 else if (c < 64)
|
|
|
588 {
|
|
|
589 buf[0] = '~';
|
|
|
590 buf[1] = MetaChar(c);
|
|
|
591 buf[2] = NUL;
|
|
|
592 }
|
|
|
593 #endif
|
|
|
594 else /* 0x80 - 0x9f and 0xff */
|
|
|
595 {
|
|
|
596 /*
|
|
|
597 * TODO: EBCDIC I don't know what to do with this chars, so I display
|
|
|
598 * them as '~?' for now
|
|
|
599 */
|
|
|
600 buf[0] = '~';
|
|
|
601 #ifdef EBCDIC
|
|
|
602 buf[1] = '?'; /* 0xff displayed as ~? */
|
|
|
603 #else
|
|
|
604 buf[1] = (c - 0x80) ^ 0x40; /* 0xff displayed as ~? */
|
|
|
605 #endif
|
|
|
606 buf[2] = NUL;
|
|
|
607 }
|
|
|
608 }
|
|
|
609
|
|
|
610 void
|
|
|
611 transchar_hex(buf, c)
|
|
|
612 char_u *buf;
|
|
|
613 int c;
|
|
|
614 {
|
|
|
615 int i = 0;
|
|
|
616
|
|
|
617 buf[0] = '<';
|
|
|
618 #ifdef FEAT_MBYTE
|
|
|
619 if (c > 255)
|
|
|
620 {
|
|
|
621 buf[++i] = nr2hex((unsigned)c >> 12);
|
|
|
622 buf[++i] = nr2hex((unsigned)c >> 8);
|
|
|
623 }
|
|
|
624 #endif
|
|
|
625 buf[++i] = nr2hex((unsigned)c >> 4);
|
|
|
626 buf[++i] = nr2hex(c);
|
|
|
627 buf[++i] = '>';
|
|
|
628 buf[++i] = NUL;
|
|
|
629 }
|
|
|
630
|
|
|
631 /*
|
|
|
632 * Convert the lower 4 bits of byte "c" to its hex character.
|
|
|
633 * Lower case letters are used to avoid the confusion of <F1> being 0xf1 or
|
|
|
634 * function key 1.
|
|
|
635 */
|
|
|
636 static int
|
|
|
637 nr2hex(c)
|
|
|
638 int c;
|
|
|
639 {
|
|
|
640 if ((c & 0xf) <= 9)
|
|
|
641 return (c & 0xf) + '0';
|
|
|
642 return (c & 0xf) - 10 + 'a';
|
|
|
643 }
|
|
|
644
|
|
|
645 /*
|
|
|
646 * Return number of display cells occupied by byte "b".
|
|
|
647 * Caller must make sure 0 <= b <= 255.
|
|
|
648 * For multi-byte mode "b" must be the first byte of a character.
|
|
|
649 * A TAB is counted as two cells: "^I".
|
|
|
650 * For UTF-8 mode this will return 0 for bytes >= 0x80, because the number of
|
|
|
651 * cells depends on further bytes.
|
|
|
652 */
|
|
|
653 int
|
|
|
654 byte2cells(b)
|
|
|
655 int b;
|
|
|
656 {
|
|
|
657 #ifdef FEAT_MBYTE
|
|
|
658 if (enc_utf8 && b >= 0x80)
|
|
|
659 return 0;
|
|
|
660 #endif
|
|
|
661 return (chartab[b] & CT_CELL_MASK);
|
|
|
662 }
|
|
|
663
|
|
|
664 /*
|
|
|
665 * Return number of display cells occupied by character "c".
|
|
|
666 * "c" can be a special key (negative number) in which case 3 or 4 is returned.
|
|
|
667 * A TAB is counted as two cells: "^I" or four: "<09>".
|
|
|
668 */
|
|
|
669 int
|
|
|
670 char2cells(c)
|
|
|
671 int c;
|
|
|
672 {
|
|
|
673 if (IS_SPECIAL(c))
|
|
|
674 return char2cells(K_SECOND(c)) + 2;
|
|
|
675 #ifdef FEAT_MBYTE
|
|
|
676 if (c >= 0x80)
|
|
|
677 {
|
|
|
678 /* UTF-8: above 0x80 need to check the value */
|
|
|
679 if (enc_utf8)
|
|
|
680 return utf_char2cells(c);
|
|
|
681 /* DBCS: double-byte means double-width, except for euc-jp with first
|
|
|
682 * byte 0x8e */
|
|
|
683 if (enc_dbcs != 0 && c >= 0x100)
|
|
|
684 {
|
|
|
685 if (enc_dbcs == DBCS_JPNU && ((unsigned)c >> 8) == 0x8e)
|
|
|
686 return 1;
|
|
|
687 return 2;
|
|
|
688 }
|
|
|
689 }
|
|
|
690 #endif
|
|
|
691 return (chartab[c & 0xff] & CT_CELL_MASK);
|
|
|
692 }
|
|
|
693
|
|
|
694 /*
|
|
|
695 * Return number of display cells occupied by character at "*p".
|
|
|
696 * A TAB is counted as two cells: "^I" or four: "<09>".
|
|
|
697 */
|
|
|
698 int
|
|
|
699 ptr2cells(p)
|
|
|
700 char_u *p;
|
|
|
701 {
|
|
|
702 #ifdef FEAT_MBYTE
|
|
|
703 /* For UTF-8 we need to look at more bytes if the first byte is >= 0x80. */
|
|
|
704 if (enc_utf8 && *p >= 0x80)
|
|
|
705 return utf_ptr2cells(p);
|
|
|
706 /* For DBCS we can tell the cell count from the first byte. */
|
|
|
707 #endif
|
|
|
708 return (chartab[*p] & CT_CELL_MASK);
|
|
|
709 }
|
|
|
710
|
|
|
711 /*
|
|
|
712 * Return the number of characters string "s" will take on the screen,
|
|
|
713 * counting TABs as two characters: "^I".
|
|
|
714 */
|
|
|
715 int
|
|
|
716 vim_strsize(s)
|
|
|
717 char_u *s;
|
|
|
718 {
|
|
|
719 return vim_strnsize(s, (int)MAXCOL);
|
|
|
720 }
|
|
|
721
|
|
|
722 /*
|
|
|
723 * Return the number of characters string "s[len]" will take on the screen,
|
|
|
724 * counting TABs as two characters: "^I".
|
|
|
725 */
|
|
|
726 int
|
|
|
727 vim_strnsize(s, len)
|
|
|
728 char_u *s;
|
|
|
729 int len;
|
|
|
730 {
|
|
|
731 int size = 0;
|
|
|
732
|
|
|
733 while (*s != NUL && --len >= 0)
|
|
|
734 {
|
|
|
735 #ifdef FEAT_MBYTE
|
|
|
736 if (has_mbyte)
|
|
|
737 {
|
|
|
738 int l = (*mb_ptr2len_check)(s);
|
|
|
739
|
|
|
740 size += ptr2cells(s);
|
|
|
741 s += l;
|
|
|
742 len -= l - 1;
|
|
|
743 }
|
|
|
744 else
|
|
|
745 #endif
|
|
|
746 size += byte2cells(*s++);
|
|
|
747 }
|
|
|
748 return size;
|
|
|
749 }
|
|
|
750
|
|
|
751 /*
|
|
|
752 * Return the number of characters 'c' will take on the screen, taking
|
|
|
753 * into account the size of a tab.
|
|
|
754 * Use a define to make it fast, this is used very often!!!
|
|
|
755 * Also see getvcol() below.
|
|
|
756 */
|
|
|
757
|
|
|
758 #define RET_WIN_BUF_CHARTABSIZE(wp, buf, p, col) \
|
|
|
759 if (*(p) == TAB && (!(wp)->w_p_list || lcs_tab1)) \
|
|
|
760 { \
|
|
|
761 int ts; \
|
|
|
762 ts = (buf)->b_p_ts; \
|
|
|
763 return (int)(ts - (col % ts)); \
|
|
|
764 } \
|
|
|
765 else \
|
|
|
766 return ptr2cells(p);
|
|
|
767
|
|
|
768 #if defined(FEAT_VREPLACE) || defined(FEAT_EX_EXTRA) || defined(FEAT_GUI) \
|
|
|
769 || defined(FEAT_VIRTUALEDIT) || defined(PROTO)
|
|
|
770 int
|
|
|
771 chartabsize(p, col)
|
|
|
772 char_u *p;
|
|
|
773 colnr_T col;
|
|
|
774 {
|
|
|
775 RET_WIN_BUF_CHARTABSIZE(curwin, curbuf, p, col)
|
|
|
776 }
|
|
|
777 #endif
|
|
|
778
|
|
|
779 #ifdef FEAT_LINEBREAK
|
|
|
780 static int
|
|
|
781 win_chartabsize(wp, p, col)
|
|
|
782 win_T *wp;
|
|
|
783 char_u *p;
|
|
|
784 colnr_T col;
|
|
|
785 {
|
|
|
786 RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, p, col)
|
|
|
787 }
|
|
|
788 #endif
|
|
|
789
|
|
|
790 /*
|
|
|
791 * return the number of characters the string 's' will take on the screen,
|
|
|
792 * taking into account the size of a tab
|
|
|
793 */
|
|
|
794 int
|
|
|
795 linetabsize(s)
|
|
|
796 char_u *s;
|
|
|
797 {
|
|
|
798 colnr_T col = 0;
|
|
|
799
|
|
|
800 while (*s != NUL)
|
|
|
801 col += lbr_chartabsize_adv(&s, col);
|
|
|
802 return (int)col;
|
|
|
803 }
|
|
|
804
|
|
|
805 /*
|
|
|
806 * Like linetabsize(), but for a given window instead of the current one.
|
|
|
807 */
|
|
|
808 int
|
|
|
809 win_linetabsize(wp, p, len)
|
|
|
810 win_T *wp;
|
|
|
811 char_u *p;
|
|
|
812 colnr_T len;
|
|
|
813 {
|
|
|
814 colnr_T col = 0;
|
|
|
815 char_u *s;
|
|
|
816
|
|
40
|
817 for (s = p; *s != NUL && (len == MAXCOL || s < p + len); mb_ptr_adv(s))
|
|
7
|
818 col += win_lbr_chartabsize(wp, s, col, NULL);
|
|
|
819 return (int)col;
|
|
|
820 }
|
|
|
821
|
|
|
822 /*
|
|
|
823 * return TRUE if 'c' is a normal identifier character
|
|
|
824 * letters and characters from 'isident' option.
|
|
|
825 */
|
|
|
826 int
|
|
|
827 vim_isIDc(c)
|
|
|
828 int c;
|
|
|
829 {
|
|
|
830 return (c > 0 && c < 0x100 && (chartab[c] & CT_ID_CHAR));
|
|
|
831 }
|
|
|
832
|
|
|
833 /*
|
|
|
834 * return TRUE if 'c' is a keyword character: Letters and characters from
|
|
|
835 * 'iskeyword' option for current buffer.
|
|
|
836 * For multi-byte characters mb_get_class() is used (builtin rules).
|
|
|
837 */
|
|
|
838 int
|
|
|
839 vim_iswordc(c)
|
|
|
840 int c;
|
|
|
841 {
|
|
|
842 #ifdef FEAT_MBYTE
|
|
|
843 if (c >= 0x100)
|
|
|
844 {
|
|
|
845 if (enc_dbcs != 0)
|
|
|
846 return dbcs_class((unsigned)c >> 8, c & 0xff) >= 2;
|
|
|
847 if (enc_utf8)
|
|
|
848 return utf_class(c) >= 2;
|
|
|
849 }
|
|
|
850 #endif
|
|
|
851 return (c > 0 && c < 0x100 && GET_CHARTAB(curbuf, c) != 0);
|
|
|
852 }
|
|
|
853
|
|
|
854 /*
|
|
|
855 * Just like vim_iswordc() but uses a pointer to the (multi-byte) character.
|
|
|
856 */
|
|
|
857 int
|
|
|
858 vim_iswordp(p)
|
|
|
859 char_u *p;
|
|
|
860 {
|
|
|
861 #ifdef FEAT_MBYTE
|
|
|
862 if (has_mbyte && MB_BYTE2LEN(*p) > 1)
|
|
|
863 return mb_get_class(p) >= 2;
|
|
|
864 #endif
|
|
|
865 return GET_CHARTAB(curbuf, *p) != 0;
|
|
|
866 }
|
|
|
867
|
|
|
868 #if defined(FEAT_SYN_HL) || defined(PROTO)
|
|
|
869 int
|
|
|
870 vim_iswordc_buf(p, buf)
|
|
|
871 char_u *p;
|
|
|
872 buf_T *buf;
|
|
|
873 {
|
|
|
874 # ifdef FEAT_MBYTE
|
|
|
875 if (has_mbyte && MB_BYTE2LEN(*p) > 1)
|
|
|
876 return mb_get_class(p) >= 2;
|
|
|
877 # endif
|
|
|
878 return (GET_CHARTAB(buf, *p) != 0);
|
|
|
879 }
|
|
|
880 #endif
|
|
|
881
|
|
|
882 /*
|
|
|
883 * return TRUE if 'c' is a valid file-name character
|
|
|
884 * Assume characters above 0x100 are valid (multi-byte).
|
|
|
885 */
|
|
|
886 int
|
|
|
887 vim_isfilec(c)
|
|
|
888 int c;
|
|
|
889 {
|
|
|
890 return (c >= 0x100 || (c > 0 && (chartab[c] & CT_FNAME_CHAR)));
|
|
|
891 }
|
|
|
892
|
|
|
893 /*
|
|
|
894 * return TRUE if 'c' is a printable character
|
|
|
895 * Assume characters above 0x100 are printable (multi-byte), except for
|
|
|
896 * Unicode.
|
|
|
897 */
|
|
|
898 int
|
|
|
899 vim_isprintc(c)
|
|
|
900 int c;
|
|
|
901 {
|
|
|
902 #ifdef FEAT_MBYTE
|
|
|
903 if (enc_utf8 && c >= 0x100)
|
|
|
904 return utf_printable(c);
|
|
|
905 #endif
|
|
|
906 return (c >= 0x100 || (c > 0 && (chartab[c] & CT_PRINT_CHAR)));
|
|
|
907 }
|
|
|
908
|
|
|
909 /*
|
|
|
910 * Strict version of vim_isprintc(c), don't return TRUE if "c" is the head
|
|
|
911 * byte of a double-byte character.
|
|
|
912 */
|
|
|
913 int
|
|
|
914 vim_isprintc_strict(c)
|
|
|
915 int c;
|
|
|
916 {
|
|
|
917 #ifdef FEAT_MBYTE
|
|
|
918 if (enc_dbcs != 0 && c < 0x100 && MB_BYTE2LEN(c) > 1)
|
|
|
919 return FALSE;
|
|
|
920 if (enc_utf8 && c >= 0x100)
|
|
|
921 return utf_printable(c);
|
|
|
922 #endif
|
|
|
923 return (c >= 0x100 || (c > 0 && (chartab[c] & CT_PRINT_CHAR)));
|
|
|
924 }
|
|
|
925
|
|
|
926 /*
|
|
|
927 * like chartabsize(), but also check for line breaks on the screen
|
|
|
928 */
|
|
|
929 int
|
|
|
930 lbr_chartabsize(s, col)
|
|
|
931 unsigned char *s;
|
|
|
932 colnr_T col;
|
|
|
933 {
|
|
|
934 #ifdef FEAT_LINEBREAK
|
|
|
935 if (!curwin->w_p_lbr && *p_sbr == NUL)
|
|
|
936 {
|
|
|
937 #endif
|
|
|
938 #ifdef FEAT_MBYTE
|
|
|
939 if (curwin->w_p_wrap)
|
|
|
940 return win_nolbr_chartabsize(curwin, s, col, NULL);
|
|
|
941 #endif
|
|
|
942 RET_WIN_BUF_CHARTABSIZE(curwin, curbuf, s, col)
|
|
|
943 #ifdef FEAT_LINEBREAK
|
|
|
944 }
|
|
|
945 return win_lbr_chartabsize(curwin, s, col, NULL);
|
|
|
946 #endif
|
|
|
947 }
|
|
|
948
|
|
|
949 /*
|
|
|
950 * Call lbr_chartabsize() and advance the pointer.
|
|
|
951 */
|
|
|
952 int
|
|
|
953 lbr_chartabsize_adv(s, col)
|
|
|
954 char_u **s;
|
|
|
955 colnr_T col;
|
|
|
956 {
|
|
|
957 int retval;
|
|
|
958
|
|
|
959 retval = lbr_chartabsize(*s, col);
|
|
39
|
960 mb_ptr_adv(*s);
|
|
7
|
961 return retval;
|
|
|
962 }
|
|
|
963
|
|
|
964 /*
|
|
|
965 * This function is used very often, keep it fast!!!!
|
|
|
966 *
|
|
|
967 * If "headp" not NULL, set *headp to the size of what we for 'showbreak'
|
|
|
968 * string at start of line. Warning: *headp is only set if it's a non-zero
|
|
|
969 * value, init to 0 before calling.
|
|
|
970 */
|
|
|
971 /*ARGSUSED*/
|
|
|
972 int
|
|
|
973 win_lbr_chartabsize(wp, s, col, headp)
|
|
|
974 win_T *wp;
|
|
|
975 char_u *s;
|
|
|
976 colnr_T col;
|
|
|
977 int *headp;
|
|
|
978 {
|
|
|
979 #ifdef FEAT_LINEBREAK
|
|
|
980 int c;
|
|
|
981 int size;
|
|
|
982 colnr_T col2;
|
|
|
983 colnr_T colmax;
|
|
|
984 int added;
|
|
|
985 # ifdef FEAT_MBYTE
|
|
|
986 int mb_added = 0;
|
|
|
987 # else
|
|
|
988 # define mb_added 0
|
|
|
989 # endif
|
|
|
990 int numberextra;
|
|
|
991 char_u *ps;
|
|
|
992 int tab_corr = (*s == TAB);
|
|
|
993
|
|
|
994 /*
|
|
|
995 * No 'linebreak' and 'showbreak': return quickly.
|
|
|
996 */
|
|
|
997 if (!wp->w_p_lbr && *p_sbr == NUL)
|
|
|
998 #endif
|
|
|
999 {
|
|
|
1000 #ifdef FEAT_MBYTE
|
|
|
1001 if (wp->w_p_wrap)
|
|
|
1002 return win_nolbr_chartabsize(wp, s, col, headp);
|
|
|
1003 #endif
|
|
|
1004 RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, s, col)
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 #ifdef FEAT_LINEBREAK
|
|
|
1008 /*
|
|
|
1009 * First get normal size, without 'linebreak'
|
|
|
1010 */
|
|
|
1011 size = win_chartabsize(wp, s, col);
|
|
|
1012 c = *s;
|
|
|
1013
|
|
|
1014 /*
|
|
|
1015 * If 'linebreak' set check at a blank before a non-blank if the line
|
|
|
1016 * needs a break here
|
|
|
1017 */
|
|
|
1018 if (wp->w_p_lbr
|
|
|
1019 && vim_isbreak(c)
|
|
|
1020 && !vim_isbreak(s[1])
|
|
|
1021 && !wp->w_p_list
|
|
|
1022 && wp->w_p_wrap
|
|
|
1023 # ifdef FEAT_VERTSPLIT
|
|
|
1024 && wp->w_width != 0
|
|
|
1025 # endif
|
|
|
1026 )
|
|
|
1027 {
|
|
|
1028 /*
|
|
|
1029 * Count all characters from first non-blank after a blank up to next
|
|
|
1030 * non-blank after a blank.
|
|
|
1031 */
|
|
|
1032 numberextra = win_col_off(wp);
|
|
|
1033 col2 = col;
|
|
|
1034 colmax = W_WIDTH(wp) - numberextra;
|
|
|
1035 if (col >= colmax)
|
|
|
1036 colmax += (((col - colmax)
|
|
|
1037 / (colmax + win_col_off2(wp))) + 1)
|
|
|
1038 * (colmax + win_col_off2(wp));
|
|
|
1039 for (;;)
|
|
|
1040 {
|
|
|
1041 ps = s;
|
|
39
|
1042 mb_ptr_adv(s);
|
|
7
|
1043 c = *s;
|
|
|
1044 if (!(c != NUL
|
|
|
1045 && (vim_isbreak(c)
|
|
|
1046 || (!vim_isbreak(c)
|
|
|
1047 && (col2 == col || !vim_isbreak(*ps))))))
|
|
|
1048 break;
|
|
|
1049
|
|
|
1050 col2 += win_chartabsize(wp, s, col2);
|
|
|
1051 if (col2 >= colmax) /* doesn't fit */
|
|
|
1052 {
|
|
|
1053 size = colmax - col;
|
|
|
1054 tab_corr = FALSE;
|
|
|
1055 break;
|
|
|
1056 }
|
|
|
1057 }
|
|
|
1058 }
|
|
|
1059 # ifdef FEAT_MBYTE
|
|
|
1060 else if (has_mbyte && size == 2 && MB_BYTE2LEN(*s) > 1
|
|
|
1061 && wp->w_p_wrap && in_win_border(wp, col))
|
|
|
1062 {
|
|
|
1063 ++size; /* Count the ">" in the last column. */
|
|
|
1064 mb_added = 1;
|
|
|
1065 }
|
|
|
1066 # endif
|
|
|
1067
|
|
|
1068 /*
|
|
|
1069 * May have to add something for 'showbreak' string at start of line
|
|
|
1070 * Set *headp to the size of what we add.
|
|
|
1071 */
|
|
|
1072 added = 0;
|
|
|
1073 if (*p_sbr != NUL && wp->w_p_wrap && col != 0)
|
|
|
1074 {
|
|
|
1075 numberextra = win_col_off(wp);
|
|
|
1076 col += numberextra + mb_added;
|
|
|
1077 if (col >= (colnr_T)W_WIDTH(wp))
|
|
|
1078 {
|
|
|
1079 col -= W_WIDTH(wp);
|
|
|
1080 numberextra = W_WIDTH(wp) - (numberextra - win_col_off2(wp));
|
|
|
1081 if (numberextra > 0)
|
|
|
1082 col = col % numberextra;
|
|
|
1083 }
|
|
|
1084 if (col == 0 || col + size > (colnr_T)W_WIDTH(wp))
|
|
|
1085 {
|
|
|
1086 added = vim_strsize(p_sbr);
|
|
|
1087 if (tab_corr)
|
|
|
1088 size += (added / wp->w_buffer->b_p_ts) * wp->w_buffer->b_p_ts;
|
|
|
1089 else
|
|
|
1090 size += added;
|
|
|
1091 if (col != 0)
|
|
|
1092 added = 0;
|
|
|
1093 }
|
|
|
1094 }
|
|
|
1095 if (headp != NULL)
|
|
|
1096 *headp = added + mb_added;
|
|
|
1097 return size;
|
|
|
1098 #endif
|
|
|
1099 }
|
|
|
1100
|
|
|
1101 #if defined(FEAT_MBYTE) || defined(PROTO)
|
|
|
1102 /*
|
|
|
1103 * Like win_lbr_chartabsize(), except that we know 'linebreak' is off and
|
|
|
1104 * 'wrap' is on. This means we need to check for a double-byte character that
|
|
|
1105 * doesn't fit at the end of the screen line.
|
|
|
1106 */
|
|
|
1107 static int
|
|
|
1108 win_nolbr_chartabsize(wp, s, col, headp)
|
|
|
1109 win_T *wp;
|
|
|
1110 char_u *s;
|
|
|
1111 colnr_T col;
|
|
|
1112 int *headp;
|
|
|
1113 {
|
|
|
1114 int n;
|
|
|
1115
|
|
|
1116 if (*s == TAB && (!wp->w_p_list || lcs_tab1))
|
|
|
1117 {
|
|
|
1118 n = wp->w_buffer->b_p_ts;
|
|
|
1119 return (int)(n - (col % n));
|
|
|
1120 }
|
|
|
1121 n = ptr2cells(s);
|
|
|
1122 /* Add one cell for a double-width character in the last column of the
|
|
|
1123 * window, displayed with a ">". */
|
|
|
1124 if (n == 2 && MB_BYTE2LEN(*s) > 1 && in_win_border(wp, col))
|
|
|
1125 {
|
|
|
1126 if (headp != NULL)
|
|
|
1127 *headp = 1;
|
|
|
1128 return 3;
|
|
|
1129 }
|
|
|
1130 return n;
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 /*
|
|
|
1134 * Return TRUE if virtual column "vcol" is in the rightmost column of window
|
|
|
1135 * "wp".
|
|
|
1136 */
|
|
|
1137 int
|
|
|
1138 in_win_border(wp, vcol)
|
|
|
1139 win_T *wp;
|
|
|
1140 colnr_T vcol;
|
|
|
1141 {
|
|
|
1142 colnr_T width1; /* width of first line (after line number) */
|
|
|
1143 colnr_T width2; /* width of further lines */
|
|
|
1144
|
|
|
1145 #ifdef FEAT_VERTSPLIT
|
|
|
1146 if (wp->w_width == 0) /* there is no border */
|
|
|
1147 return FALSE;
|
|
|
1148 #endif
|
|
|
1149 width1 = W_WIDTH(wp) - win_col_off(wp);
|
|
|
1150 if (vcol < width1 - 1)
|
|
|
1151 return FALSE;
|
|
|
1152 if (vcol == width1 - 1)
|
|
|
1153 return TRUE;
|
|
|
1154 width2 = width1 + win_col_off2(wp);
|
|
|
1155 return ((vcol - width1) % width2 == width2 - 1);
|
|
|
1156 }
|
|
|
1157 #endif /* FEAT_MBYTE */
|
|
|
1158
|
|
|
1159 /*
|
|
|
1160 * Get virtual column number of pos.
|
|
|
1161 * start: on the first position of this character (TAB, ctrl)
|
|
|
1162 * cursor: where the cursor is on this character (first char, except for TAB)
|
|
|
1163 * end: on the last position of this character (TAB, ctrl)
|
|
|
1164 *
|
|
|
1165 * This is used very often, keep it fast!
|
|
|
1166 */
|
|
|
1167 void
|
|
|
1168 getvcol(wp, pos, start, cursor, end)
|
|
|
1169 win_T *wp;
|
|
|
1170 pos_T *pos;
|
|
|
1171 colnr_T *start;
|
|
|
1172 colnr_T *cursor;
|
|
|
1173 colnr_T *end;
|
|
|
1174 {
|
|
|
1175 colnr_T vcol;
|
|
|
1176 char_u *ptr; /* points to current char */
|
|
|
1177 char_u *posptr; /* points to char at pos->col */
|
|
|
1178 int incr;
|
|
|
1179 int head;
|
|
|
1180 int ts = wp->w_buffer->b_p_ts;
|
|
|
1181 int c;
|
|
|
1182
|
|
|
1183 vcol = 0;
|
|
|
1184 ptr = ml_get_buf(wp->w_buffer, pos->lnum, FALSE);
|
|
|
1185 posptr = ptr + pos->col;
|
|
|
1186
|
|
|
1187 /*
|
|
|
1188 * This function is used very often, do some speed optimizations.
|
|
|
1189 * When 'list', 'linebreak' and 'showbreak' are not set use a simple loop.
|
|
|
1190 * Also use this when 'list' is set but tabs take their normal size.
|
|
|
1191 */
|
|
|
1192 if ((!wp->w_p_list || lcs_tab1 != NUL)
|
|
|
1193 #ifdef FEAT_LINEBREAK
|
|
|
1194 && !wp->w_p_lbr && *p_sbr == NUL
|
|
|
1195 #endif
|
|
|
1196 )
|
|
|
1197 {
|
|
|
1198 #ifndef FEAT_MBYTE
|
|
|
1199 head = 0;
|
|
|
1200 #endif
|
|
|
1201 for (;;)
|
|
|
1202 {
|
|
|
1203 #ifdef FEAT_MBYTE
|
|
|
1204 head = 0;
|
|
|
1205 #endif
|
|
|
1206 c = *ptr;
|
|
|
1207 /* make sure we don't go past the end of the line */
|
|
|
1208 if (c == NUL)
|
|
|
1209 {
|
|
|
1210 incr = 1; /* NUL at end of line only takes one column */
|
|
|
1211 break;
|
|
|
1212 }
|
|
|
1213 /* A tab gets expanded, depending on the current column */
|
|
|
1214 if (c == TAB)
|
|
|
1215 incr = ts - (vcol % ts);
|
|
|
1216 else
|
|
|
1217 {
|
|
|
1218 #ifdef FEAT_MBYTE
|
|
|
1219 if (has_mbyte)
|
|
|
1220 {
|
|
|
1221 /* For utf-8, if the byte is >= 0x80, need to look at
|
|
|
1222 * further bytes to find the cell width. */
|
|
|
1223 if (enc_utf8 && c >= 0x80)
|
|
|
1224 incr = utf_ptr2cells(ptr);
|
|
|
1225 else
|
|
|
1226 incr = CHARSIZE(c);
|
|
|
1227
|
|
|
1228 /* If a double-cell char doesn't fit at the end of a line
|
|
|
1229 * it wraps to the next line, it's like this char is three
|
|
|
1230 * cells wide. */
|
|
|
1231 if (incr == 2 && wp->w_p_wrap && in_win_border(wp, vcol))
|
|
|
1232 {
|
|
|
1233 ++incr;
|
|
|
1234 head = 1;
|
|
|
1235 }
|
|
|
1236 }
|
|
|
1237 else
|
|
|
1238 #endif
|
|
|
1239 incr = CHARSIZE(c);
|
|
|
1240 }
|
|
|
1241
|
|
|
1242 if (ptr >= posptr) /* character at pos->col */
|
|
|
1243 break;
|
|
|
1244
|
|
|
1245 vcol += incr;
|
|
39
|
1246 mb_ptr_adv(ptr);
|
|
7
|
1247 }
|
|
|
1248 }
|
|
|
1249 else
|
|
|
1250 {
|
|
|
1251 for (;;)
|
|
|
1252 {
|
|
|
1253 /* A tab gets expanded, depending on the current column */
|
|
|
1254 head = 0;
|
|
|
1255 incr = win_lbr_chartabsize(wp, ptr, vcol, &head);
|
|
|
1256 /* make sure we don't go past the end of the line */
|
|
|
1257 if (*ptr == NUL)
|
|
|
1258 {
|
|
|
1259 incr = 1; /* NUL at end of line only takes one column */
|
|
|
1260 break;
|
|
|
1261 }
|
|
|
1262
|
|
|
1263 if (ptr >= posptr) /* character at pos->col */
|
|
|
1264 break;
|
|
|
1265
|
|
|
1266 vcol += incr;
|
|
39
|
1267 mb_ptr_adv(ptr);
|
|
7
|
1268 }
|
|
|
1269 }
|
|
|
1270 if (start != NULL)
|
|
|
1271 *start = vcol + head;
|
|
|
1272 if (end != NULL)
|
|
|
1273 *end = vcol + incr - 1;
|
|
|
1274 if (cursor != NULL)
|
|
|
1275 {
|
|
|
1276 if (*ptr == TAB
|
|
|
1277 && (State & NORMAL)
|
|
|
1278 && !wp->w_p_list
|
|
|
1279 && !virtual_active()
|
|
|
1280 #ifdef FEAT_VISUAL
|
|
|
1281 && !(VIsual_active
|
|
|
1282 && (*p_sel == 'e' || ltoreq(*pos, VIsual)))
|
|
|
1283 #endif
|
|
|
1284 )
|
|
|
1285 *cursor = vcol + incr - 1; /* cursor at end */
|
|
|
1286 else
|
|
|
1287 *cursor = vcol + head; /* cursor at start */
|
|
|
1288 }
|
|
|
1289 }
|
|
|
1290
|
|
|
1291 /*
|
|
|
1292 * Get virtual cursor column in the current window, pretending 'list' is off.
|
|
|
1293 */
|
|
|
1294 colnr_T
|
|
|
1295 getvcol_nolist(posp)
|
|
|
1296 pos_T *posp;
|
|
|
1297 {
|
|
|
1298 int list_save = curwin->w_p_list;
|
|
|
1299 colnr_T vcol;
|
|
|
1300
|
|
|
1301 curwin->w_p_list = FALSE;
|
|
|
1302 getvcol(curwin, posp, NULL, &vcol, NULL);
|
|
|
1303 curwin->w_p_list = list_save;
|
|
|
1304 return vcol;
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 #if defined(FEAT_VIRTUALEDIT) || defined(PROTO)
|
|
|
1308 /*
|
|
|
1309 * Get virtual column in virtual mode.
|
|
|
1310 */
|
|
|
1311 void
|
|
|
1312 getvvcol(wp, pos, start, cursor, end)
|
|
|
1313 win_T *wp;
|
|
|
1314 pos_T *pos;
|
|
|
1315 colnr_T *start;
|
|
|
1316 colnr_T *cursor;
|
|
|
1317 colnr_T *end;
|
|
|
1318 {
|
|
|
1319 colnr_T col;
|
|
|
1320 colnr_T coladd;
|
|
|
1321 colnr_T endadd;
|
|
|
1322 # ifdef FEAT_MBYTE
|
|
|
1323 char_u *ptr;
|
|
|
1324 # endif
|
|
|
1325
|
|
|
1326 if (virtual_active())
|
|
|
1327 {
|
|
|
1328 /* For virtual mode, only want one value */
|
|
|
1329 getvcol(wp, pos, &col, NULL, NULL);
|
|
|
1330
|
|
|
1331 coladd = pos->coladd;
|
|
|
1332 endadd = 0;
|
|
|
1333 # ifdef FEAT_MBYTE
|
|
|
1334 /* Cannot put the cursor on part of a wide character. */
|
|
|
1335 ptr = ml_get_buf(wp->w_buffer, pos->lnum, FALSE);
|
|
|
1336 if (pos->col < STRLEN(ptr))
|
|
|
1337 {
|
|
|
1338 int c = (*mb_ptr2char)(ptr + pos->col);
|
|
|
1339
|
|
|
1340 if (c != TAB && vim_isprintc(c))
|
|
|
1341 {
|
|
|
1342 endadd = char2cells(c) - 1;
|
|
|
1343 if (coladd >= endadd)
|
|
|
1344 coladd -= endadd;
|
|
|
1345 else
|
|
|
1346 coladd = 0;
|
|
|
1347 }
|
|
|
1348 }
|
|
|
1349 # endif
|
|
|
1350 col += coladd;
|
|
|
1351 if (start != NULL)
|
|
|
1352 *start = col;
|
|
|
1353 if (cursor != NULL)
|
|
|
1354 *cursor = col;
|
|
|
1355 if (end != NULL)
|
|
|
1356 *end = col + endadd;
|
|
|
1357 }
|
|
|
1358 else
|
|
|
1359 getvcol(wp, pos, start, cursor, end);
|
|
|
1360 }
|
|
|
1361 #endif
|
|
|
1362
|
|
|
1363 #if defined(FEAT_VISUAL) || defined(PROTO)
|
|
|
1364 /*
|
|
|
1365 * Get the leftmost and rightmost virtual column of pos1 and pos2.
|
|
|
1366 * Used for Visual block mode.
|
|
|
1367 */
|
|
|
1368 void
|
|
|
1369 getvcols(wp, pos1, pos2, left, right)
|
|
|
1370 win_T *wp;
|
|
|
1371 pos_T *pos1, *pos2;
|
|
|
1372 colnr_T *left, *right;
|
|
|
1373 {
|
|
|
1374 colnr_T from1, from2, to1, to2;
|
|
|
1375
|
|
|
1376 if (ltp(pos1, pos2))
|
|
|
1377 {
|
|
|
1378 getvvcol(wp, pos1, &from1, NULL, &to1);
|
|
|
1379 getvvcol(wp, pos2, &from2, NULL, &to2);
|
|
|
1380 }
|
|
|
1381 else
|
|
|
1382 {
|
|
|
1383 getvvcol(wp, pos2, &from1, NULL, &to1);
|
|
|
1384 getvvcol(wp, pos1, &from2, NULL, &to2);
|
|
|
1385 }
|
|
|
1386 if (from2 < from1)
|
|
|
1387 *left = from2;
|
|
|
1388 else
|
|
|
1389 *left = from1;
|
|
|
1390 if (to2 > to1)
|
|
|
1391 {
|
|
|
1392 if (*p_sel == 'e' && from2 - 1 >= to1)
|
|
|
1393 *right = from2 - 1;
|
|
|
1394 else
|
|
|
1395 *right = to2;
|
|
|
1396 }
|
|
|
1397 else
|
|
|
1398 *right = to1;
|
|
|
1399 }
|
|
|
1400 #endif
|
|
|
1401
|
|
|
1402 /*
|
|
|
1403 * skipwhite: skip over ' ' and '\t'.
|
|
|
1404 */
|
|
|
1405 char_u *
|
|
|
1406 skipwhite(p)
|
|
|
1407 char_u *p;
|
|
|
1408 {
|
|
|
1409 while (vim_iswhite(*p)) /* skip to next non-white */
|
|
|
1410 ++p;
|
|
|
1411 return p;
|
|
|
1412 }
|
|
|
1413
|
|
|
1414 /*
|
|
|
1415 * skipdigits: skip over digits;
|
|
|
1416 */
|
|
|
1417 char_u *
|
|
|
1418 skipdigits(p)
|
|
|
1419 char_u *p;
|
|
|
1420 {
|
|
|
1421 while (VIM_ISDIGIT(*p)) /* skip to next non-digit */
|
|
|
1422 ++p;
|
|
|
1423 return p;
|
|
|
1424 }
|
|
|
1425
|
|
|
1426 /*
|
|
|
1427 * Variant of isdigit() that can handle characters > 0x100.
|
|
|
1428 * We don't use isdigit() here, because on some systems it also considers
|
|
|
1429 * superscript 1 to be a digit.
|
|
|
1430 * Use the VIM_ISDIGIT() macro for simple arguments.
|
|
|
1431 */
|
|
|
1432 int
|
|
|
1433 vim_isdigit(c)
|
|
|
1434 int c;
|
|
|
1435 {
|
|
|
1436 return (c >= '0' && c <= '9');
|
|
|
1437 }
|
|
|
1438
|
|
|
1439 /*
|
|
|
1440 * Variant of isxdigit() that can handle characters > 0x100.
|
|
|
1441 * We don't use isxdigit() here, because on some systems it also considers
|
|
|
1442 * superscript 1 to be a digit.
|
|
|
1443 */
|
|
|
1444 int
|
|
|
1445 vim_isxdigit(c)
|
|
|
1446 int c;
|
|
|
1447 {
|
|
|
1448 return (c >= '0' && c <= '9')
|
|
|
1449 || (c >= 'a' && c <= 'f')
|
|
|
1450 || (c >= 'A' && c <= 'F');
|
|
|
1451 }
|
|
|
1452
|
|
|
1453 /*
|
|
|
1454 * skiptowhite: skip over text until ' ' or '\t' or NUL.
|
|
|
1455 */
|
|
|
1456 char_u *
|
|
|
1457 skiptowhite(p)
|
|
|
1458 char_u *p;
|
|
|
1459 {
|
|
|
1460 while (*p != ' ' && *p != '\t' && *p != NUL)
|
|
|
1461 ++p;
|
|
|
1462 return p;
|
|
|
1463 }
|
|
|
1464
|
|
|
1465 #if defined(FEAT_LISTCMDS) || defined(FEAT_SIGNS) || defined(FEAT_SNIFF) \
|
|
|
1466 || defined(PROTO)
|
|
|
1467 /*
|
|
|
1468 * skiptowhite_esc: Like skiptowhite(), but also skip escaped chars
|
|
|
1469 */
|
|
|
1470 char_u *
|
|
|
1471 skiptowhite_esc(p)
|
|
|
1472 char_u *p;
|
|
|
1473 {
|
|
|
1474 while (*p != ' ' && *p != '\t' && *p != NUL)
|
|
|
1475 {
|
|
|
1476 if ((*p == '\\' || *p == Ctrl_V) && *(p + 1) != NUL)
|
|
|
1477 ++p;
|
|
|
1478 ++p;
|
|
|
1479 }
|
|
|
1480 return p;
|
|
|
1481 }
|
|
|
1482 #endif
|
|
|
1483
|
|
|
1484 /*
|
|
|
1485 * Getdigits: Get a number from a string and skip over it.
|
|
|
1486 * Note: the argument is a pointer to a char_u pointer!
|
|
|
1487 */
|
|
|
1488 long
|
|
|
1489 getdigits(pp)
|
|
|
1490 char_u **pp;
|
|
|
1491 {
|
|
|
1492 char_u *p;
|
|
|
1493 long retval;
|
|
|
1494
|
|
|
1495 p = *pp;
|
|
|
1496 retval = atol((char *)p);
|
|
|
1497 if (*p == '-') /* skip negative sign */
|
|
|
1498 ++p;
|
|
|
1499 p = skipdigits(p); /* skip to next non-digit */
|
|
|
1500 *pp = p;
|
|
|
1501 return retval;
|
|
|
1502 }
|
|
|
1503
|
|
|
1504 /*
|
|
|
1505 * Return TRUE if "lbuf" is empty or only contains blanks.
|
|
|
1506 */
|
|
|
1507 int
|
|
|
1508 vim_isblankline(lbuf)
|
|
|
1509 char_u *lbuf;
|
|
|
1510 {
|
|
|
1511 char_u *p;
|
|
|
1512
|
|
|
1513 p = skipwhite(lbuf);
|
|
|
1514 return (*p == NUL || *p == '\r' || *p == '\n');
|
|
|
1515 }
|
|
|
1516
|
|
|
1517 /*
|
|
|
1518 * Convert a string into a long and/or unsigned long, taking care of
|
|
16
|
1519 * hexadecimal and octal numbers. Accepts a '-' sign.
|
|
7
|
1520 * If "hexp" is not NULL, returns a flag to indicate the type of the number:
|
|
|
1521 * 0 decimal
|
|
|
1522 * '0' octal
|
|
|
1523 * 'X' hex
|
|
|
1524 * 'x' hex
|
|
|
1525 * If "len" is not NULL, the length of the number in characters is returned.
|
|
|
1526 * If "nptr" is not NULL, the signed result is returned in it.
|
|
|
1527 * If "unptr" is not NULL, the unsigned result is returned in it.
|
|
|
1528 */
|
|
|
1529 void
|
|
|
1530 vim_str2nr(start, hexp, len, dooct, dohex, nptr, unptr)
|
|
|
1531 char_u *start;
|
|
|
1532 int *hexp; /* return: type of number 0 = decimal, 'x'
|
|
|
1533 or 'X' is hex, '0' = octal */
|
|
|
1534 int *len; /* return: detected length of number */
|
|
|
1535 int dooct; /* recognize octal number */
|
|
|
1536 int dohex; /* recognize hex number */
|
|
|
1537 long *nptr; /* return: signed result */
|
|
|
1538 unsigned long *unptr; /* return: unsigned result */
|
|
|
1539 {
|
|
|
1540 char_u *ptr = start;
|
|
|
1541 int hex = 0; /* default is decimal */
|
|
|
1542 int negative = FALSE;
|
|
|
1543 unsigned long un = 0;
|
|
39
|
1544 int n;
|
|
7
|
1545
|
|
|
1546 if (ptr[0] == '-')
|
|
|
1547 {
|
|
|
1548 negative = TRUE;
|
|
|
1549 ++ptr;
|
|
|
1550 }
|
|
|
1551
|
|
39
|
1552 /* Recognize hex and octal. */
|
|
|
1553 if (ptr[0] == '0' && ptr[1] != '8' && ptr[1] != '9')
|
|
7
|
1554 {
|
|
|
1555 hex = ptr[1];
|
|
|
1556 if (dohex && (hex == 'X' || hex == 'x') && vim_isxdigit(ptr[2]))
|
|
|
1557 ptr += 2; /* hexadecimal */
|
|
|
1558 else
|
|
|
1559 {
|
|
39
|
1560 hex = 0; /* default is decimal */
|
|
|
1561 if (dooct)
|
|
|
1562 {
|
|
|
1563 /* Don't interpret "0", "08" or "0129" as octal. */
|
|
|
1564 for (n = 1; VIM_ISDIGIT(ptr[n]); ++n)
|
|
|
1565 {
|
|
|
1566 if (ptr[n] > '7')
|
|
|
1567 {
|
|
|
1568 hex = 0; /* can't be octal */
|
|
|
1569 break;
|
|
|
1570 }
|
|
|
1571 if (ptr[n] > '0')
|
|
|
1572 hex = '0'; /* assume octal */
|
|
|
1573 }
|
|
|
1574 }
|
|
7
|
1575 }
|
|
|
1576 }
|
|
|
1577
|
|
|
1578 /*
|
|
|
1579 * Do the string-to-numeric conversion "manually" to avoid sscanf quirks.
|
|
|
1580 */
|
|
|
1581 if (hex)
|
|
|
1582 {
|
|
|
1583 if (hex == '0')
|
|
|
1584 {
|
|
|
1585 /* octal */
|
|
|
1586 while ('0' <= *ptr && *ptr <= '7')
|
|
|
1587 {
|
|
|
1588 un = 8 * un + (unsigned long)(*ptr - '0');
|
|
|
1589 ++ptr;
|
|
|
1590 }
|
|
|
1591 }
|
|
|
1592 else
|
|
|
1593 {
|
|
|
1594 /* hex */
|
|
|
1595 while (vim_isxdigit(*ptr))
|
|
|
1596 {
|
|
|
1597 un = 16 * un + (unsigned long)hex2nr(*ptr);
|
|
|
1598 ++ptr;
|
|
|
1599 }
|
|
|
1600 }
|
|
|
1601 }
|
|
|
1602 else
|
|
|
1603 {
|
|
|
1604 /* decimal */
|
|
|
1605 while (VIM_ISDIGIT(*ptr))
|
|
|
1606 {
|
|
|
1607 un = 10 * un + (unsigned long)(*ptr - '0');
|
|
|
1608 ++ptr;
|
|
|
1609 }
|
|
|
1610 }
|
|
|
1611
|
|
|
1612 if (hexp != NULL)
|
|
|
1613 *hexp = hex;
|
|
|
1614 if (len != NULL)
|
|
|
1615 *len = (int)(ptr - start);
|
|
|
1616 if (nptr != NULL)
|
|
16
|
1617 {
|
|
|
1618 if (negative) /* account for leading '-' for decimal numbers */
|
|
|
1619 *nptr = -(long)un;
|
|
|
1620 else
|
|
|
1621 *nptr = (long)un;
|
|
|
1622 }
|
|
7
|
1623 if (unptr != NULL)
|
|
|
1624 *unptr = un;
|
|
|
1625 }
|
|
|
1626
|
|
|
1627 /*
|
|
|
1628 * Return the value of a single hex character.
|
|
|
1629 * Only valid when the argument is '0' - '9', 'A' - 'F' or 'a' - 'f'.
|
|
|
1630 */
|
|
|
1631 int
|
|
|
1632 hex2nr(c)
|
|
|
1633 int c;
|
|
|
1634 {
|
|
|
1635 if (c >= 'a' && c <= 'f')
|
|
|
1636 return c - 'a' + 10;
|
|
|
1637 if (c >= 'A' && c <= 'F')
|
|
|
1638 return c - 'A' + 10;
|
|
|
1639 return c - '0';
|
|
|
1640 }
|
|
|
1641
|
|
|
1642 #if defined(FEAT_TERMRESPONSE) \
|
|
|
1643 || (defined(FEAT_GUI_GTK) && defined(FEAT_WINDOWS)) || defined(PROTO)
|
|
|
1644 /*
|
|
|
1645 * Convert two hex characters to a byte.
|
|
|
1646 * Return -1 if one of the characters is not hex.
|
|
|
1647 */
|
|
|
1648 int
|
|
|
1649 hexhex2nr(p)
|
|
|
1650 char_u *p;
|
|
|
1651 {
|
|
|
1652 if (!vim_isxdigit(p[0]) || !vim_isxdigit(p[1]))
|
|
|
1653 return -1;
|
|
|
1654 return (hex2nr(p[0]) << 4) + hex2nr(p[1]);
|
|
|
1655 }
|
|
|
1656 #endif
|
|
|
1657
|
|
|
1658 /*
|
|
|
1659 * Return TRUE if "str" starts with a backslash that should be removed.
|
|
|
1660 * For MS-DOS, WIN32 and OS/2 this is only done when the character after the
|
|
|
1661 * backslash is not a normal file name character.
|
|
|
1662 * '$' is a valid file name character, we don't remove the backslash before
|
|
|
1663 * it. This means it is not possible to use an environment variable after a
|
|
|
1664 * backslash. "C:\$VIM\doc" is taken literally, only "$VIM\doc" works.
|
|
|
1665 * Although "\ name" is valid, the backslash in "Program\ files" must be
|
|
|
1666 * removed. Assume a file name doesn't start with a space.
|
|
|
1667 * For multi-byte names, never remove a backslash before a non-ascii
|
|
|
1668 * character, assume that all multi-byte characters are valid file name
|
|
|
1669 * characters.
|
|
|
1670 */
|
|
|
1671 int
|
|
|
1672 rem_backslash(str)
|
|
|
1673 char_u *str;
|
|
|
1674 {
|
|
|
1675 #ifdef BACKSLASH_IN_FILENAME
|
|
|
1676 return (str[0] == '\\'
|
|
|
1677 # ifdef FEAT_MBYTE
|
|
|
1678 && str[1] < 0x80
|
|
|
1679 # endif
|
|
|
1680 && (str[1] == ' '
|
|
|
1681 || (str[1] != NUL
|
|
|
1682 && str[1] != '*'
|
|
|
1683 && str[1] != '?'
|
|
|
1684 && !vim_isfilec(str[1]))));
|
|
|
1685 #else
|
|
|
1686 return (str[0] == '\\' && str[1] != NUL);
|
|
|
1687 #endif
|
|
|
1688 }
|
|
|
1689
|
|
|
1690 /*
|
|
|
1691 * Halve the number of backslashes in a file name argument.
|
|
|
1692 * For MS-DOS we only do this if the character after the backslash
|
|
|
1693 * is not a normal file character.
|
|
|
1694 */
|
|
|
1695 void
|
|
|
1696 backslash_halve(p)
|
|
|
1697 char_u *p;
|
|
|
1698 {
|
|
|
1699 for ( ; *p; ++p)
|
|
|
1700 if (rem_backslash(p))
|
|
|
1701 STRCPY(p, p + 1);
|
|
|
1702 }
|
|
|
1703
|
|
|
1704 /*
|
|
|
1705 * backslash_halve() plus save the result in allocated memory.
|
|
|
1706 */
|
|
|
1707 char_u *
|
|
|
1708 backslash_halve_save(p)
|
|
|
1709 char_u *p;
|
|
|
1710 {
|
|
|
1711 char_u *res;
|
|
|
1712
|
|
|
1713 res = vim_strsave(p);
|
|
|
1714 if (res == NULL)
|
|
|
1715 return p;
|
|
|
1716 backslash_halve(res);
|
|
|
1717 return res;
|
|
|
1718 }
|
|
|
1719
|
|
|
1720 #if (defined(EBCDIC) && defined(FEAT_POSTSCRIPT)) || defined(PROTO)
|
|
|
1721 /*
|
|
|
1722 * Table for EBCDIC to ASCII conversion unashamedly taken from xxd.c!
|
|
|
1723 * The first 64 entries have been added to map control characters defined in
|
|
|
1724 * ascii.h
|
|
|
1725 */
|
|
|
1726 static char_u ebcdic2ascii_tab[256] =
|
|
|
1727 {
|
|
|
1728 0000, 0001, 0002, 0003, 0004, 0011, 0006, 0177,
|
|
|
1729 0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017,
|
|
|
1730 0020, 0021, 0022, 0023, 0024, 0012, 0010, 0027,
|
|
|
1731 0030, 0031, 0032, 0033, 0033, 0035, 0036, 0037,
|
|
|
1732 0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047,
|
|
|
1733 0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057,
|
|
|
1734 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067,
|
|
|
1735 0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077,
|
|
|
1736 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246,
|
|
|
1737 0247, 0250, 0325, 0056, 0074, 0050, 0053, 0174,
|
|
|
1738 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257,
|
|
|
1739 0260, 0261, 0041, 0044, 0052, 0051, 0073, 0176,
|
|
|
1740 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267,
|
|
|
1741 0270, 0271, 0313, 0054, 0045, 0137, 0076, 0077,
|
|
|
1742 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301,
|
|
|
1743 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042,
|
|
|
1744 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147,
|
|
|
1745 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311,
|
|
|
1746 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160,
|
|
|
1747 0161, 0162, 0136, 0314, 0315, 0316, 0317, 0320,
|
|
|
1748 0321, 0345, 0163, 0164, 0165, 0166, 0167, 0170,
|
|
|
1749 0171, 0172, 0322, 0323, 0324, 0133, 0326, 0327,
|
|
|
1750 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337,
|
|
|
1751 0340, 0341, 0342, 0343, 0344, 0135, 0346, 0347,
|
|
|
1752 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107,
|
|
|
1753 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355,
|
|
|
1754 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120,
|
|
|
1755 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363,
|
|
|
1756 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130,
|
|
|
1757 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371,
|
|
|
1758 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067,
|
|
|
1759 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377
|
|
|
1760 };
|
|
|
1761
|
|
|
1762 /*
|
|
|
1763 * Convert a buffer worth of characters from EBCDIC to ASCII. Only useful if
|
|
|
1764 * wanting 7-bit ASCII characters out the other end.
|
|
|
1765 */
|
|
|
1766 void
|
|
|
1767 ebcdic2ascii(buffer, len)
|
|
|
1768 char_u *buffer;
|
|
|
1769 int len;
|
|
|
1770 {
|
|
|
1771 int i;
|
|
|
1772
|
|
|
1773 for (i = 0; i < len; i++)
|
|
|
1774 buffer[i] = ebcdic2ascii_tab[buffer[i]];
|
|
|
1775 }
|
|
|
1776 #endif
|
