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Diffstat (limited to 'parsing.c')
-rw-r--r--parsing.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/parsing.c b/parsing.c
new file mode 100644
index 0000000..98b3243
--- /dev/null
+++ b/parsing.c
@@ -0,0 +1,106 @@
+/* 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;
+}