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docproc: abstract docproc directive detection
Helps follow-up work. No functional changes. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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868fb19212
commit
a48dc45e9c
1 changed files with 20 additions and 10 deletions
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@ -430,6 +430,15 @@ static void find_all_symbols(char *filename)
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}
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}
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/* Return pointer to directive content, or NULL if not a directive. */
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static char *is_directive(char *line)
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{
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if (line[0] == '!')
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return line + 1;
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return NULL;
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}
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/*
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* Parse file, calling action specific functions for:
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* 1) Lines containing !E
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@ -443,29 +452,30 @@ static void find_all_symbols(char *filename)
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static void parse_file(FILE *infile)
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{
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char line[MAXLINESZ];
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char * s;
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char *p, *s;
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while (fgets(line, MAXLINESZ, infile)) {
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if (line[0] != '!') {
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p = is_directive(line);
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if (!p) {
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defaultline(line);
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continue;
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}
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s = line + 2;
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switch (line[1]) {
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s = p + 1;
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switch (*p++) {
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case 'E':
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while (*s && !isspace(*s)) s++;
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*s = '\0';
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externalfunctions(line+2);
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externalfunctions(p);
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break;
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case 'I':
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while (*s && !isspace(*s)) s++;
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*s = '\0';
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internalfunctions(line+2);
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internalfunctions(p);
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break;
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case 'D':
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while (*s && !isspace(*s)) s++;
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*s = '\0';
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symbolsonly(line+2);
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symbolsonly(p);
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break;
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case 'F':
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/* filename */
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@ -474,7 +484,7 @@ static void parse_file(FILE *infile)
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/* function names */
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while (isspace(*s))
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s++;
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singlefunctions(line +2, s);
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singlefunctions(p, s);
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break;
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case 'P':
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/* filename */
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@ -483,13 +493,13 @@ static void parse_file(FILE *infile)
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/* DOC: section name */
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while (isspace(*s))
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s++;
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docsection(line + 2, s);
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docsection(p, s);
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break;
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case 'C':
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while (*s && !isspace(*s)) s++;
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*s = '\0';
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if (findall)
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findall(line+2);
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findall(p);
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break;
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default:
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defaultline(line);
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