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-rw-r--r--src/configfile.cc287
-rw-r--r--src/configfile.h5
2 files changed, 155 insertions, 137 deletions
diff --git a/src/configfile.cc b/src/configfile.cc
index e659a51..6b0d14f 100644
--- a/src/configfile.cc
+++ b/src/configfile.cc
@@ -108,10 +108,12 @@ ConfigFile::~ConfigFile()
{
}
-void ConfigFile::load()
+bool ConfigFile::load()
{
DEBUG(configfile, "Loading config file...\n");
- if(!open("r")) return;
+ if(!open("r")) {
+ return false;
+ }
values.clear();
@@ -120,150 +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::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;
- }
- // ERROR: Bad symbol, expecting only whitespace or key/value seperator
- break;
-
- 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;
- }
- // ERROR: Bad symbol, expecting only whitespace or key/value seperator
- break;
- }
- }
-
- if(state == before_key) {
- // Line did not contain any data (empty or comment)
- continue;
- }
-
- // If state == in_value_XXX_quoted here, the string was not terminated.
- if(state != after_value && state != in_value) {
- // ERROR: Malformed line.
- break;
- }
-
- DEBUG(configfile, "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(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) {
@@ -271,6 +149,8 @@ void ConfigFile::save()
}
close();
+
+ return true;
}
std::string ConfigFile::getValue(const std::string& key)
@@ -328,3 +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;
+}
diff --git a/src/configfile.h b/src/configfile.h
index a3fd588..a6c50bd 100644
--- a/src/configfile.h
+++ b/src/configfile.h
@@ -36,8 +36,8 @@ public:
ConfigFile(std::string filename);
virtual ~ConfigFile();
- virtual void load();
- virtual void save();
+ virtual bool load();
+ virtual bool save();
virtual std::string getValue(const std::string& key);
virtual void setValue(const std::string& key, const std::string& value);
@@ -49,6 +49,7 @@ protected:
virtual bool open(std::string mode);
void close();
std::string readLine();
+ bool parseLine(const std::string& line);
FILE* fp;
};
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