Date: Monday, December 19, 2005 @ 18:10:21
Author: csaba
Path: /cvsroot/carob/libmysequoia
Added: include/IniParser.hpp (1.1) src/IniParser.cpp (1.1)
Modified: src/Makefile.am (1.2 -> 1.3)
Added code to parse the MySQL my.cnf configuration file.
-----------------------+
include/IniParser.hpp | 61 +++++++++++++++++++
src/IniParser.cpp | 152 ++++++++++++++++++++++++++++++++++++++++++++++++
src/Makefile.am | 4 -
3 files changed, 216 insertions(+), 1 deletion(-)
Index: libmysequoia/include/IniParser.hpp
diff -u /dev/null libmysequoia/include/IniParser.hpp:1.1
--- /dev/null Mon Dec 19 18:10:21 2005
+++ libmysequoia/include/IniParser.hpp Mon Dec 19 18:10:21 2005
@@ -0,0 +1,61 @@
+/*
+ * Sequoia: Database clustering technology.
+ * Copyright (C) 2005 Continuent, Inc.
+ * Contact: [EMAIL PROTECTED]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Initial developer(s): Zsolt Simon, Csaba Simon
+ * Contributor(s):
+ */
+
+#ifndef _INIPARSER_HPP
+#define _INIPARSER_HPP
+
+#include <string>
+#include <map>
+
+class IniParser
+{
+public:
+ /**
+ * Open the file and parse it.
+ * @param name the name of the file
+ */
+ void parseFile(const char *name);
+
+ /**
+ * Get the value of the option name in the group
+ * @param group the group name
+ * @param name the option name
+ * @return the value of the option name as string
+ */
+ std::string get(std::string group, std::string name) const;
+
+private:
+ /**
+ * holds the name=value pairs in each group
+ */
+ std::map<std::string, std::map<std::string, std::string> > keys;
+
+ void removeLeadingSpaces(std::string& s);
+ void removeTrailingSpaces(std::string& s);
+ void removeComments(std::string& s);
+ void removeSpacesAndComments(std::string& s);
+
+ bool parseGroup(std::string line, std::string& group);
+ void parseName(std::string line, std::string group);
+ std::string parseValue(std::string value);
+};
+
+#endif /* _INIPARSER_HPP */
Index: libmysequoia/src/IniParser.cpp
diff -u /dev/null libmysequoia/src/IniParser.cpp:1.1
--- /dev/null Mon Dec 19 18:10:21 2005
+++ libmysequoia/src/IniParser.cpp Mon Dec 19 18:10:21 2005
@@ -0,0 +1,152 @@
+/*
+ * Sequoia: Database clustering technology.
+ * Copyright (C) 2005 Continuent, Inc.
+ * Contact: [EMAIL PROTECTED]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Initial developer(s): Zsolt Simon, Csaba Simon
+ * Contributor(s):
+ */
+
+#include "IniParser.hpp"
+
+#include <string>
+#include <fstream>
+
+using namespace std;
+
+void IniParser::parseFile(const char *name)
+{
+ string group, line;
+ bool in_group = false;
+
+ ifstream file(name);
+
+ if (file)
+ {
+ while (getline(file, line))
+ {
+ removeSpacesAndComments(line);
+ if (line.empty())
+ continue;
+ if (parseGroup(line, group))
+ {
+ in_group = true;
+ }
+ else
+ {
+ if (in_group)
+ parseName(line, group);
+ }
+ }
+ }
+}
+
+string IniParser::get(std::string group, std::string name) const
+{
+ std::map<std::string, std::map<std::string, std::string> >::const_iterator
group_iter = keys.find(group);
+ if (group_iter == keys.end())
+ return "";
+
+ std::map<std::string, std::string>::const_iterator name_iter =
group_iter->second.find(name);
+ if (name_iter == group_iter->second.end())
+ return "";
+
+ return name_iter->second;
+}
+
+void IniParser::removeLeadingSpaces(string& s)
+{
+ unsigned int i = 0;
+
+ while (i != s.size() && isspace(s[i]))
+ ++i;
+
+ s.assign(s, i, s.size() - i);
+}
+
+void IniParser::removeTrailingSpaces(string& s)
+{
+ unsigned int i = s.size() > 0 ? s.size() - 1 : 0;
+
+ while (i >= 0 && isspace(s[i]))
+ --i;
+
+ s.assign(s, 0, i + 1);
+}
+
+void IniParser::removeComments(string& line)
+{
+ unsigned int i = 0;
+ bool in_quote = false;
+
+ if (line[0] == '#' || line[0] == ';')
+ {
+ line.assign(line, 0, 0);
+ return;
+ }
+
+ for (i = 0; i != line.size(); ++i)
+ {
+ if (line[i] == '\"')
+ {
+ in_quote = !in_quote;
+ }
+ else if (line[i] == '#' && !in_quote)
+ {
+ break;
+ }
+ }
+
+ line.assign(line, 0, i);
+}
+
+void IniParser::removeSpacesAndComments(string& line)
+{
+ removeLeadingSpaces(line);
+ removeComments(line);
+ removeTrailingSpaces(line);
+}
+
+bool IniParser::parseGroup(string line, string& group)
+{
+ if (line[0] != '[' || line[line.size() -1] != ']')
+ return false;
+
+ group.assign(line, 1, line.size() - 2);
+ removeLeadingSpaces(group);
+ removeTrailingSpaces(group);
+
+ return true;
+}
+
+void IniParser::parseName(string line, string group)
+{
+ unsigned int i = line.find('=');
+
+ if (i == string::npos)
+ return;
+
+ string name(line, 0, i);
+ removeTrailingSpaces(name);
+
+ keys[group][name] = parseValue(string(line, i+1));
+}
+
+string IniParser::parseValue(string value)
+{
+ removeLeadingSpaces(value);
+
+ return value;
+}
Index: libmysequoia/src/Makefile.am
diff -u libmysequoia/src/Makefile.am:1.2 libmysequoia/src/Makefile.am:1.3
--- libmysequoia/src/Makefile.am:1.2 Mon Dec 19 09:06:58 2005
+++ libmysequoia/src/Makefile.am Mon Dec 19 18:10:21 2005
@@ -24,7 +24,9 @@
libmysequoia_la_SOURCES = CarobMySQL.cpp \
MySQLAPI.cpp \
- Utils.cpp
+ Utils.cpp \
+ IniParser.cpp
+
# remove the relative paths to carob when carob will be installable
libmysequoia_la_CXXFLAGS = -I$(top_builddir)/../carob/include @MYSQL_CFLAGS@
@GCOV_CFLAGS@
libmysequoia_la_LDFLAGS = -version-info 0:0:0 -L$(top_builddir)/../carob
-lcarob @GCOV_LDADD@ @LOG4CXX_LDADD@
_______________________________________________
Carob-commits mailing list
[email protected]
https://forge.continuent.org/mailman/listinfo/carob-commits
