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/* config.c: parsing of config files
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
int next_char(FILE *f)
{
int c = fgetc(f);
if (c=='\r') {
c = fgetc(f);
if (c!='\n') {
ungetc(c, f);
c = '\r';
}
}
return c;
}
void skip_line(FILE *f)
{
int c;
while((c=next_char(f)) && c!='\n' && c!=EOF)
;
}
int read_config_line(FILE *f, char *line, const char **value, int bufsize)
{
int i = 0, isname = 0;
*value = NULL;
while(i<bufsize-1) {
int c = next_char(f);
if (!isname && (c=='#' || c==';')) {
skip_line(f);
continue;
}
if (!isname && isspace(c))
continue;
if (c=='=' && !*value) {
line[i] = 0;
*value = &line[i+1];
} else if (c=='\n' && !isname) {
i = 0;
continue;
} else if (c=='\n' || c==EOF) {
line[i] = 0;
break;
} else {
line[i]=c;
}
isname = 1;
i++;
}
line[i+1] = 0;
return i;
}
int cgit_read_config(const char *filename, configfn fn)
{
int ret = 0, len;
char line[256];
const char *value;
FILE *f = fopen(filename, "r");
if (!f)
return -1;
while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
(*fn)(line, value);
fclose(f);
return ret;
}
int cgit_parse_query(char *txt, configfn fn)
{
char *t, *value = NULL, c;
if (!txt)
return 0;
t = txt = xstrdup(txt);
while((c=*t) != '\0') {
if (c=='=') {
*t = '\0';
value = t+1;
} else if (c=='&') {
*t = '\0';
(*fn)(txt, value);
txt = t+1;
value = NULL;
}
t++;
}
if (t!=txt)
(*fn)(txt, value);
return 0;
}
char *substr(const char *head, const char *tail)
{
char *buf;
buf = xmalloc(tail - head + 1);
strncpy(buf, head, tail - head);
buf[tail - head] = '\0';
return buf;
}
struct commitinfo *cgit_parse_commit(struct commit *commit)
{
struct commitinfo *ret;
char *p = commit->buffer, *t = commit->buffer;
ret = xmalloc(sizeof(*ret));
ret->commit = commit;
if (strncmp(p, "tree ", 5))
die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
else
p += 46; // "tree " + hex[40] + "\n"
while (!strncmp(p, "parent ", 7))
p += 48; // "parent " + hex[40] + "\n"
if (!strncmp(p, "author ", 7)) {
p += 7;
t = strchr(p, '<') - 1;
ret->author = substr(p, t);
p = strchr(p, '\n') + 1;
}
if (!strncmp(p, "committer ", 9)) {
p += 9;
t = strchr(p, '<') - 1;
ret->committer = substr(p, t);
p = strchr(p, '\n') + 1;
}
while (*p == '\n')
p = strchr(p, '\n') + 1;
t = strchr(p, '\n');
ret->subject = substr(p, t);
while (*p == '\n')
p = strchr(p, '\n') + 1;
ret->msg = p;
return ret;
}
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