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/*
*
* Copyright (c) 2000-2001, Darren Hiebert
*
* 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 diff files (based on Sh parser).
*/
/*
* 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
*/
typedef enum {
K_FUNCTION
} diffKind;
static kindOption DiffKinds [] = {
{ TRUE, 'f', "function", "functions"}
};
/*
* FUNCTION DEFINITIONS
*/
static void findDiffTags (void)
{
vString *filename = vStringNew ();
const unsigned char *line, *tmp;
while ((line = fileReadLine ()) != NULL)
{
const unsigned char* cp = line;
boolean skipSlash = FALSE;
if (strncmp((const char*) cp, "--- ", (size_t) 4) == 0)
{
cp += 4;
if (isspace ((int) *cp)) continue;
/* strip any absolute path */
if (*cp == '/' || *cp == '\\')
{
skipSlash = TRUE;
tmp = (const unsigned char*) strrchr((const char*) cp, '/');
if (tmp == NULL)
{ /* if no / is contained try \ in case of a Windows filename */
tmp = (const unsigned char*) strrchr((const char*) cp, '\\');
if (tmp == NULL)
{ /* last fallback, probably the filename doesn't contain a path, so take it */
if (strlen((const char*) cp) > 0)
{
tmp = cp;
skipSlash = FALSE;
}
}
}
}
else
tmp = cp;
if (tmp != NULL)
{
if (skipSlash) tmp++; /* skip the leading slash or backslash */
while (! isspace(*tmp) && *tmp != '\0')
{
vStringPut(filename, *tmp);
tmp++;
}
vStringTerminate(filename);
makeSimpleTag (filename, DiffKinds, K_FUNCTION);
vStringClear (filename);
}
}
}
vStringDelete (filename);
}
extern parserDefinition* DiffParser (void)
{
static const char *const patterns [] = { "*.diff", "*.patch", NULL };
static const char *const extensions [] = { "diff", NULL };
parserDefinition* const def = parserNew ("Diff");
def->kinds = DiffKinds;
def->kindCount = KIND_COUNT (DiffKinds);
def->patterns = patterns;
def->extensions = extensions;
def->parser = findDiffTags;
return def;
}
/* vi:set tabstop=8 shiftwidth=4: */
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