Added X-Macros example.
Simplified INIReaderTest.cpp.
diff --git a/cpp/INIReaderTest.cpp b/cpp/INIReaderTest.cpp
index d0dc0af..bc1415d 100644
--- a/cpp/INIReaderTest.cpp
+++ b/cpp/INIReaderTest.cpp
@@ -1,25 +1,19 @@
-// INIReader.h example that shows simple usage of the INIReader class
+// Example that shows simple usage of the INIReader class
#include <iostream>
#include "INIReader.h"
-using std::cout;
-
int main()
{
INIReader reader("../examples/test.ini");
if (reader.ParseError() < 0) {
- cout << "Couldn't read INI file!\n";
+ std::cout << "Can't load 'test.ini'\n";
return 1;
}
-
- cout << "Valid config:";
- cout << " user_name='" << reader.Get("user", "name", "UNKNOWN") << "'";
- cout << " user_email='" << reader.Get("user", "email", "UNKNOWN") << "'";
- cout << " protocol_version="
- << reader.GetInteger("protocol", "version", -1);
- cout << "\n";
-
+ std::cout << "Config loaded from 'test.ini': version="
+ << reader.GetInteger("protocol", "version", -1) << ", name="
+ << reader.Get("user", "name", "UNKNOWN") << ", email="
+ << reader.Get("user", "email", "UNKNOWN") << "\n";
return 0;
}
diff --git a/examples/config.def b/examples/config.def
new file mode 100644
index 0000000..f5c7ed5
--- /dev/null
+++ b/examples/config.def
@@ -0,0 +1,8 @@
+// CFG(section, name, default)
+
+CFG(protocol, version, "0")
+
+CFG(user, name, "Fatty Lumpkin")
+CFG(user, email, "fatty@lumpkin.com")
+
+#undef CFG
diff --git a/examples/ini_xmacros.c b/examples/ini_xmacros.c
new file mode 100644
index 0000000..f2b7285
--- /dev/null
+++ b/examples/ini_xmacros.c
@@ -0,0 +1,46 @@
+/* Parse a configuration file into a struct using X-Macros */
+
+#include <stdio.h>
+#include <string.h>
+#include "../ini.h"
+
+/* define the config struct type */
+typedef struct {
+ #define CFG(s, n, default) char *s##_##n;
+ #include "config.def"
+} config;
+
+/* create one and fill in its default values */
+config Config = {
+ #define CFG(s, n, default) default,
+ #include "config.def"
+};
+
+/* process a line of the INI file, storing valid values into config struct */
+int handler(void *user, const char *section, const char *name,
+ const char *value)
+{
+ config *cfg = (config *)user;
+
+ if (0) ;
+ #define CFG(s, n, default) else if (stricmp(section, #s)==0 && \
+ stricmp(name, #n)==0) cfg->s##_##n = strdup(value);
+ #include "config.def"
+
+ return 1;
+}
+
+/* print all the variables in the config, one per line */
+void dump_config(config *cfg)
+{
+ #define CFG(s, n, default) printf("%s_%s = %s\n", #s, #n, cfg->s##_##n);
+ #include "config.def"
+}
+
+int main(int argc, char* argv[])
+{
+ if (ini_parse("test.ini", handler, &Config) < 0)
+ printf("Can't load 'test.ini', using defaults\n");
+ dump_config(&Config);
+ return 0;
+}
