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annotate runtime/doc/doctags.c @ 33846:bc2505818986

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runtime(html): Update syntax file (#13591) Commit: https://github.com/vim/vim/commit/a9058440b7b9d7f5d0027c8cd44366e9200ca241 Author: dkearns <dougkearns@gmail.com> Date: Wed Nov 29 06:41:41 2023 +1100 runtime(html): Update syntax file (https://github.com/vim/vim/issues/13591) Add missing search element and update ARIA attribute list. Add a very basic test file to check all elements are matched. Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Tue, 28 Nov 2023 20:45:07 +0100
parents af4ffc4b2a26
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* vim:set ts=4 sw=4:
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2 *
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3 * This program makes a tags file for help text.
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4 *
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5 * Usage: doctags *.txt ... >tags
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6 *
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7 * A tag in this context is an identifier between stars, e.g. *c_files*
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8 */
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9
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10 #include <stdio.h>
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11 #include <string.h>
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12 #include <ctype.h>
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13 #include <stdlib.h>
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14
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15 #define LINELEN 200
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16
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17 int
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18 main(int argc, char **argv)
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19 {
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20 char line[LINELEN];
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21 char *p1, *p2;
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22 char *p;
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23 FILE *fd;
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24 int len;
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25 int in_example;
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26
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27 if (argc <= 1)
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28 {
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29 fprintf(stderr, "Usage: doctags docfile ... >tags\n");
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30 exit(1);
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31 }
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32 printf("help-tags\ttags\t1\n");
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33 while (--argc > 0)
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34 {
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35 ++argv;
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36 fd = fopen(argv[0], "r");
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37 if (fd == NULL)
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38 {
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39 fprintf(stderr, "Unable to open %s for reading\n", argv[0]);
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40 continue;
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41 }
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42 in_example = 0;
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43 while (fgets(line, LINELEN, fd) != NULL)
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44 {
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45 if (in_example)
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46 {
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47 // skip over example; non-blank in first column ends example
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48 if (strchr(" \t\n\r", line[0]) != NULL)
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49 continue;
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50 in_example = 0;
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51 }
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52 p1 = strchr(line, '*'); // find first '*'
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53 while (p1 != NULL)
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54 {
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55 p2 = strchr(p1 + 1, '*'); // find second '*'
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56 if (p2 != NULL && p2 > p1 + 1) // skip "*" and "**"
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57 {
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58 for (p = p1 + 1; p < p2; ++p)
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59 if (*p == ' ' || *p == '\t' || *p == '|')
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60 break;
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61 // Only accept a *tag* when it consists of valid
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62 // characters, there is white space before it and is
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63 // followed by a white character or end-of-line.
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64 if (p == p2
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65 && (p1 == line || p1[-1] == ' ' || p1[-1] == '\t')
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66 && (strchr(" \t\n\r", p[1]) != NULL
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67 || p[1] == '\0'))
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68 {
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69 *p2 = '\0';
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70 ++p1;
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71 printf("%s\t%s\t/*", p1, argv[0]);
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72 while (*p1)
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73 {
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74 // insert backslash before '\\' and '/'
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75 if (*p1 == '\\' || *p1 == '/')
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76 putchar('\\');
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77 putchar(*p1);
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78 ++p1;
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79 }
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80 printf("*\n");
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81 p2 = strchr(p2 + 1, '*'); // find next '*'
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82 }
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83 }
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84 p1 = p2;
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85 }
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86 len = strlen(line);
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87 if ((len == 2 && strcmp(&line[len - 2], ">\n") == 0)
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88 || (len >= 3 && strcmp(&line[len - 3], " >\n") == 0))
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89 in_example = 1;
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90 }
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91 fclose(fd);
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92 }
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93 return 0;
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94 }