Move function for configfile parsing into configfile.[ch]

This is a generic function which wanted its own little object file.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

6 files changed, 99 insertions, 78 deletions

diff --git a/Makefile b/Makefile
index 223765d..355186e 100644
--- a/Makefile
+++ b/Makefile
@@ -51,6 +51,7 @@ OBJECTS =
 OBJECTS += cache.o
 OBJECTS += cgit.o
 OBJECTS += cmd.o
+OBJECTS += configfile.o
 OBJECTS += html.o
 OBJECTS += parsing.o
 OBJECTS += shared.o
diff --git a/cgit.c b/cgit.c
index 73b1f02..1f46e0d 100644
--- a/cgit.c
+++ b/cgit.c
@@ -9,6 +9,7 @@
 #include "cgit.h"
 #include "cache.h"
 #include "cmd.h"
+#include "configfile.h"
 #include "ui-shared.h"
 
 const char *cgit_version = CGIT_VERSION;
@@ -103,7 +104,7 @@ void config_cb(const char *name, const char *value)
                 else
                         ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
         } else if (!strcmp(name, "include"))
-                cgit_read_config(value, config_cb);
+                parse_configfile(value, config_cb);
 }
 
 static void querystring_cb(const char *name, const char *value)
@@ -436,7 +437,7 @@ int main(int argc, const char **argv)
         cgit_repolist.count = 0;
         cgit_repolist.repos = NULL;
 
-        cgit_read_config(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
+        parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
                          config_cb);
         if (getenv("SCRIPT_NAME"))
                 ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME"));
diff --git a/cgit.h b/cgit.h
index f600912..91d18f8 100644
--- a/cgit.h
+++ b/cgit.h
@@ -214,7 +214,6 @@ extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
 
 extern char *fmt(const char *format,...);
 
-extern int cgit_read_config(const char *filename, configfn fn);
 extern int cgit_parse_query(char *txt, configfn fn);
 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
 extern struct taginfo *cgit_parse_tag(struct tag *tag);
diff --git a/configfile.c b/configfile.c
new file mode 100644
index 0000000..4908058
--- /dev/null
+++ b/configfile.c
@@ -0,0 +1,87 @@
+/* configfile.c: parsing of config files
+ *
+ * Copyright (C) 2008 Lars Hjemli
+ *
+ * Licensed under GNU General Public License v2
+ *   (see COPYING for full license text)
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+#include "configfile.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 parse_configfile(const char *filename, configfile_value_fn fn)
+{
+        static int nesting;
+        int len;
+        char line[256];
+        const char *value;
+        FILE *f;
+
+        /* cancel deeply nested include-commands */
+        if (nesting > 8)
+                return -1;
+        if (!(f = fopen(filename, "r")))
+                return -1;
+        nesting++;
+        while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
+                fn(line, value);
+        nesting--;
+        fclose(f);
+        return 0;
+}
+
diff --git a/configfile.h b/configfile.h
new file mode 100644
index 0000000..04235e5
--- /dev/null
+++ b/configfile.h
@@ -0,0 +1,8 @@
+#ifndef CONFIGFILE_H
+#define CONFIGFILE_H
+
+typedef void (*configfile_value_fn)(const char *name, const char *value);
+
+extern int parse_configfile(const char *filename, configfile_value_fn fn);
+
+#endif /* CONFIGFILE_H */
diff --git a/parsing.c b/parsing.c
index 8dce488..9a4a7a3 100644
--- a/parsing.c
+++ b/parsing.c
@@ -8,81 +8,6 @@
 
 #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)
-{
-        static int nesting;
-        int len;
-        char line[256];
-        const char *value;
-        FILE *f;
-
-        /* cancel deeply nested include-commands */
-        if (nesting > 8)
-                return -1;
-        if (!(f = fopen(filename, "r")))
-                return -1;
-        nesting++;
-        while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
-                (*fn)(line, value);
-        nesting--;
-        fclose(f);
-        return 0;
-}
-
 char *convert_query_hexchar(char *txt)
 {
         int d1, d2;