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-rw-r--r--src/configfile.cc184
1 files changed, 158 insertions, 26 deletions
diff --git a/src/configfile.cc b/src/configfile.cc
index bb7155f..6b0d14f 100644
--- a/src/configfile.cc
+++ b/src/configfile.cc
@@ -46,12 +46,12 @@
#ifdef WIN32
#define SEP "\\"
- #define CONFIGDIRNAME ".drumgizmo"
#else
#define SEP "/"
- #define CONFIGDIRNAME ".drumgizmo"
#endif
+#define CONFIGDIRNAME ".drumgizmo"
+
/**
* Return the path containing the config files.
*/
@@ -89,7 +89,7 @@ static bool createConfigPath()
#else
if(mkdir(configpath.c_str(), 0755) < 0) {
#endif
- DEBUG(pluginconfig, "Could not create config directory\n");
+ DEBUG(configfile, "Could not create config directory\n");
}
return false;
@@ -108,10 +108,12 @@ ConfigFile::~ConfigFile()
{
}
-void ConfigFile::load()
+bool ConfigFile::load()
{
- DEBUG(pluginconfig, "Loading config file...\n");
- if(!open("r")) return;
+ DEBUG(configfile, "Loading config file...\n");
+ if(!open("r")) {
+ return false;
+ }
values.clear();
@@ -120,35 +122,26 @@ void ConfigFile::load()
line = readLine();
if(line == "") break;
-
- if(line[line.size() - 1] == '\n') {
- line = line.substr(0, line.size() - 1); // strip ending newline.
- }
-
- std::size_t colon = line.find(':');
-
- if(colon == std::string::npos) break; // malformed line
-
- std::string key = line.substr(0, colon);
- std::string value = line.substr(colon + 1);
-
- printf("key['%s'] value['%s']\n", key.c_str(), value.c_str());
-
- if(key != "") {
- values[key] = value;
+
+ if(!parseLine(line)) {
+ return false;
}
}
close();
+
+ return true;
}
-void ConfigFile::save()
+bool ConfigFile::save()
{
- DEBUG(pluginconfig, "Saving configuration...\n");
+ DEBUG(configfile, "Saving configuration...\n");
createConfigPath();
- if(!open("w")) return;
+ if(!open("w")) {
+ return false;
+ }
std::map<std::string, std::string>::iterator v = values.begin();
for(; v != values.end(); ++v) {
@@ -156,6 +149,8 @@ void ConfigFile::save()
}
close();
+
+ return true;
}
std::string ConfigFile::getValue(const std::string& key)
@@ -182,7 +177,7 @@ bool ConfigFile::open(std::string mode)
configfile += SEP;
configfile += filename;
- DEBUG(pluginconfig, "Opening config file '%s'\n", configfile.c_str());
+ DEBUG(configfile, "Opening config file '%s'\n", configfile.c_str());
fp = fopen(configfile.c_str(), mode.c_str());
if(!fp) return false;
@@ -213,3 +208,140 @@ std::string ConfigFile::readLine()
return line;
}
+
+bool ConfigFile::parseLine(const std::string& line)
+{
+ std::string key;
+ std::string value;
+ enum {
+ before_key,
+ in_key,
+ after_key,
+ before_value,
+ in_value,
+ in_value_single_quoted,
+ in_value_double_quoted,
+ after_value,
+ } state = before_key;
+
+ for(std::size_t p = 0; p < line.size(); ++p) {
+ switch(state) {
+ case before_key:
+ if(line[p] == '#') {
+ // Comment: Ignore line.
+ p = line.size();
+ continue;
+ }
+ if(std::isspace(line[p])) {
+ continue;
+ }
+ key += line[p];
+ state = in_key;
+ break;
+
+ case in_key:
+ if(std::isspace(line[p])) {
+ state = after_key;
+ continue;
+ }
+ if(line[p] == ':' || line[p] == '=') {
+ state = before_value;
+ continue;
+ }
+ key += line[p];
+ break;
+
+ case after_key:
+ if(std::isspace(line[p])) {
+ continue;
+ }
+ if(line[p] == ':' || line[p] == '=') {
+ state = before_value;
+ continue;
+ }
+ ERR(configfile, "Bad symbol."
+ " Expecting only whitespace or key/value seperator: '%s'",
+ line.c_str());
+ return false;
+
+ case before_value:
+ if(std::isspace(line[p])) {
+ continue;
+ }
+ if(line[p] == '\'') {
+ state = in_value_single_quoted;
+ continue;
+ }
+ if(line[p] == '"') {
+ state = in_value_double_quoted;
+ continue;
+ }
+ value += line[p];
+ state = in_value;
+ break;
+
+ case in_value:
+ if(std::isspace(line[p])) {
+ state = after_value;
+ continue;
+ }
+ if(line[p] == '#') {
+ // Comment: Ignore the rest of the line.
+ p = line.size();
+ state = after_value;
+ continue;
+ }
+ value += line[p];
+ break;
+
+ case in_value_single_quoted:
+ if(line[p] == '\'') {
+ state = after_value;
+ continue;
+ }
+ value += line[p];
+ break;
+
+ case in_value_double_quoted:
+ if(line[p] == '"') {
+ state = after_value;
+ continue;
+ }
+ value += line[p];
+ break;
+
+ case after_value:
+ if(std::isspace(line[p])) {
+ continue;
+ }
+ if(line[p] == '#') {
+ // Comment: Ignore the rest of the line.
+ p = line.size();
+ continue;
+ }
+ ERR(configfile, "Bad symbol."
+ " Expecting only whitespace or key/value seperator: '%s'",
+ line.c_str());
+ return false;
+ }
+ }
+
+ if(state == before_key) {
+ // Line did not contain any data (empty or comment)
+ return true;
+ }
+
+ // If state == in_value_XXX_quoted here, the string was not terminated.
+ if(state != after_value && state != in_value) {
+ ERR(configfile,"Malformed line: '%s'", line.c_str());
+ return false;
+ }
+
+ DEBUG(configfile, "key['%s'] value['%s']\n", key.c_str(), value.c_str());
+
+ if(key != "") {
+ values[key] = value;
+ }
+
+ return true;
+}