geany/tagmanager/markdown.c

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/*
*
* Copyright (c) 2009, Jon Strait
*
* This source code is released for free distribution under the terms of the
* GNU General Public License.
*
* This module contains functions for generating tags for Markdown files.
*/
/*
* INCLUDE FILES
*/
#include "general.h" /* must always come first */
#include <ctype.h>
#include <string.h>
#include "parse.h"
#include "read.h"
#include "vstring.h"
/*
* DATA DEFINITIONS
*/
static kindOption MarkdownKinds[] = {
{ TRUE, 'v', "variable", "sections" }
};
/*
* FUNCTION DEFINITIONS
*/
/* checks if str is all the same character */
static boolean issame(const char *str)
{
char first = *str;
while (*(++str))
{
if (*str && *str != first)
return FALSE;
}
return TRUE;
}
static void makeMarkdownTag (const vString* const name, boolean name_before)
{
tagEntryInfo e;
initTagEntry (&e, vStringValue(name));
if (name_before)
e.lineNumber--; /* we want the line before the underline chars */
e.kindName = "variable";
e.kind = 'v';
makeTagEntry(&e);
}
static void findMarkdownTags (void)
{
vString *name = vStringNew();
const unsigned char *line;
while ((line = fileReadLine()) != NULL)
{
int name_len = vStringLength(name);
/* underlines must be the same length or more */
if (name_len > 0 && (line[0] == '=' || line[0] == '-') && issame((const char*) line))
{
makeMarkdownTag(name, TRUE);
}
else if (line[0] == '#') {
vStringClear(name);
vStringCatS(name, (const char *) line);
vStringTerminate(name);
makeMarkdownTag(name, FALSE);
}
else {
vStringClear (name);
if (! isspace(*line))
vStringCatS(name, (const char*) line);
vStringTerminate(name);
}
}
vStringDelete (name);
}
extern parserDefinition* MarkdownParser (void)
{
static const char *const patterns [] = { "*.md", NULL };
static const char *const extensions [] = { "md", NULL };
parserDefinition* const def = parserNew ("Markdown");
def->kinds = MarkdownKinds;
def->kindCount = KIND_COUNT (MarkdownKinds);
def->patterns = patterns;
def->extensions = extensions;
def->parser = findMarkdownTags;
return def;
}