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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 config files.
*/
/*
* INCLUDE FILES
*/
#include "general.h" /* must always come first */
#include <ctype.h>
#include "parse.h"
#include "read.h"
#include "vstring.h"
/*
* DATA DEFINITIONS
*/
typedef enum {
K_SECTION,
K_KEY
} confKind;
static kindOption ConfKinds [] = {
{ TRUE, 'n', "namespace", "sections"},
{ TRUE, 'm', "macro", "keys"}
};
/*
* FUNCTION DEFINITIONS
*/
static boolean isIdentifier (int c)
{
/* allow whitespace within keys and sections */
return (boolean)(isalnum (c) || isspace (c) || c == '_');
}
static void findConfTags (void)
{
vString *name = vStringNew ();
vString *scope = vStringNew ();
const unsigned char *line;
while ((line = fileReadLine ()) != NULL)
{
const unsigned char* cp = line;
boolean possible = TRUE;
if (isspace ((int) *cp) || *cp == '#' || (*cp != '\0' && *cp == '/' && *(cp+1) == '/'))
continue;
/* look for a section */
if (*cp != '\0' && *cp == '[')
{
++cp;
while (*cp != '\0' && *cp != ']')
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
makeSimpleTag (name, ConfKinds, K_SECTION);
/* remember section name */
vStringCopy (scope, name);
vStringTerminate (scope);
vStringClear (name);
continue;
}
while (*cp != '\0')
{
/* We look for any sequence of identifier characters following a white space */
if (possible && isIdentifier ((int) *cp))
{
while (isIdentifier ((int) *cp))
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
vStringStripTrailing (name);
while (isspace ((int) *cp))
++cp;
if (*cp == '=')
{
if (vStringLength (scope) > 0)
makeSimpleScopedTag (name, ConfKinds, K_KEY,
"section", vStringValue(scope), NULL);
else
makeSimpleTag (name, ConfKinds, K_KEY);
}
vStringClear (name);
}
else if (isspace ((int) *cp))
possible = TRUE;
else
possible = FALSE;
if (*cp != '\0')
++cp;
}
}
vStringDelete (name);
vStringDelete (scope);
}
extern parserDefinition* ConfParser (void)
{
static const char *const patterns [] = { "*.ini", "*.conf", NULL };
static const char *const extensions [] = { "conf", NULL };
parserDefinition* const def = parserNew ("Conf");
def->kinds = ConfKinds;
def->kindCount = KIND_COUNT (ConfKinds);
def->patterns = patterns;
def->extensions = extensions;
def->parser = findConfTags;
return def;
}
/* vi:set tabstop=8 shiftwidth=4: */

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