conf-parser: add ini/.desktop file parser

[elogind.git] / conf-parser.h

diff --git a/conf-parser.h b/conf-parser.h
new file mode 100644 (file)
index 0000000..11f5379
--- /dev/null
+++ b/conf-parser.h
@@ -0,0 +1,33 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+#ifndef fooconfparserhfoo
+#define fooconfparserhfoo
+
+#include <stdio.h>
+
+/* An abstract parser for simple, line based, shallow configuration
+ * files consisting of variable assignments only. */
+
+typedef int (*config_parser_cb_t)(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata);
+
+/* Wraps info for parsing a specific configuration variable */
+typedef struct ConfigItem {
+        const char *lvalue; /* name of the variable */
+        config_parser_cb_t parse; /* Function that is called to parse the variable's value */
+        void *data; /* Where to store the variable's data */
+        const char *section;
+} ConfigItem;
+
+/* The configuration file parsing routine. Expects a table of
+ * config_items in *t that is terminated by an item where lvalue is
+ * NULL */
+int config_parse(const char *filename, const ConfigItem *t, void *userdata);
+
+/* Generic parsers */
+int config_parse_int(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata);
+int config_parse_unsigned(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata);
+int config_parse_size(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata);
+int config_parse_bool(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata);
+int config_parse_string(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata);
+
+#endif