5ee037bfc0
Based on a patch by Yang Hong, thanks. git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5893 ea778897-0a13-0410-b9d1-a72fbfd435f5
137 lines
2.8 KiB
C
137 lines
2.8 KiB
C
/*
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*
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* Copyright (c) 2000-2001, Darren Hiebert
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*
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* This source code is released for free distribution under the terms of the
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* GNU General Public License.
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*
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* This module contains functions for generating tags for diff files (based on Sh parser).
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*/
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/*
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* INCLUDE FILES
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*/
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#include "general.h" /* must always come first */
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#include <ctype.h>
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#include <string.h>
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#include "parse.h"
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#include "read.h"
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#include "vstring.h"
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/*
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* DATA DEFINITIONS
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*/
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typedef enum {
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K_FUNCTION
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} diffKind;
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static kindOption DiffKinds [] = {
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{ TRUE, 'f', "function", "functions"}
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};
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enum {
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DIFF_DELIM_MINUS = 0,
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DIFF_DELIM_PLUS
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};
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static const char *DiffDelims[2] = {
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"--- ",
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"+++ "
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};
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/*
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* FUNCTION DEFINITIONS
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*/
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static const unsigned char *stripAbsolute (const unsigned char *filename)
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{
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const unsigned char *tmp;
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/* strip any absolute path */
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if (*filename == '/' || *filename == '\\')
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{
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boolean skipSlash = TRUE;
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tmp = (const unsigned char*) strrchr ((const char*) filename, '/');
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if (tmp == NULL)
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{ /* if no / is contained try \ in case of a Windows filename */
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tmp = (const unsigned char*) strrchr ((const char*) filename, '\\');
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if (tmp == NULL)
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{ /* last fallback, probably the filename doesn't contain a path, so take it */
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tmp = filename;
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skipSlash = FALSE;
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}
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}
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/* skip the leading slash or backslash */
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if (skipSlash)
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tmp++;
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}
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else
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tmp = filename;
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return tmp;
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}
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static void findDiffTags (void)
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{
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vString *filename = vStringNew ();
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const unsigned char *line, *tmp;
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int delim = DIFF_DELIM_MINUS;
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while ((line = fileReadLine ()) != NULL)
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{
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const unsigned char* cp = line;
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if (strncmp ((const char*) cp, DiffDelims[delim], 4u) == 0)
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{
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cp += 4;
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if (isspace ((int) *cp)) continue;
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/* when original filename is /dev/null use the new one instead */
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if (delim == DIFF_DELIM_MINUS &&
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strncmp ((const char*) cp, "/dev/null", 9u) == 0 &&
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(cp[9] == 0 || isspace (cp[9])))
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{
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delim = DIFF_DELIM_PLUS;
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continue;
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}
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tmp = stripAbsolute (cp);
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if (tmp != NULL)
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{
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while (! isspace(*tmp) && *tmp != '\0')
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{
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vStringPut(filename, *tmp);
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tmp++;
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}
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vStringTerminate(filename);
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makeSimpleTag (filename, DiffKinds, K_FUNCTION);
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vStringClear (filename);
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}
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/* restore default delim */
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delim = DIFF_DELIM_MINUS;
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}
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}
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vStringDelete (filename);
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}
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extern parserDefinition* DiffParser (void)
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{
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static const char *const patterns [] = { "*.diff", "*.patch", NULL };
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static const char *const extensions [] = { "diff", NULL };
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parserDefinition* const def = parserNew ("Diff");
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def->kinds = DiffKinds;
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def->kindCount = KIND_COUNT (DiffKinds);
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def->patterns = patterns;
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def->extensions = extensions;
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def->parser = findDiffTags;
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return def;
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}
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/* vi:set tabstop=8 shiftwidth=4: */
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