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implement GH #700: PropertyFileConfiguration preserve comments.

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This commit is contained in:
aaron0x
2015-09-11 14:22:00 +08:00
parent fee347ec6a
commit 334a7267c7
4 changed files with 283 additions and 64 deletions
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31
Util/include/Poco/Util/PropertyFileConfiguration.h
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@@ -24,6 +24,7 @@
#include "Poco/Util/MapConfiguration.h"
#include <istream>
#include <ostream>
#include <list>
namespace Poco {
@@ -60,21 +61,25 @@ public:
PropertyFileConfiguration();
/// Creates an empty PropertyFileConfiguration.
PropertyFileConfiguration(std::istream& istr);
PropertyFileConfiguration(std::istream& istr, bool preserveComment = false);
/// Creates an PropertyFileConfiguration and loads the configuration data
/// from the given stream, which must be in properties file format.
/// Set the preserveComment to preserve the comments in the given stream.
PropertyFileConfiguration(const std::string& path);
PropertyFileConfiguration(const std::string& path, bool preserveComment = false);
/// Creates an PropertyFileConfiguration and loads the configuration data
/// from the given file, which must be in properties file format.
/// Set the preserveComment to preserve the comments in the given stream.
void load(std::istream& istr);
void load(std::istream& istr, bool preserveComment = false);
/// Loads the configuration data from the given stream, which
/// must be in properties file format.
/// Set the preserveComment to preserve the comments in the given stream.
void load(const std::string& path);
void load(const std::string& path, bool preserveComment = false);
/// Loads the configuration data from the given file, which
/// must be in properties file format.
/// Set the preserveComment to preserve the comments in the given stream.
void save(std::ostream& ostr) const;
/// Writes the configuration data to the given stream.
@@ -87,10 +92,28 @@ public:
/// Writes the configuration data to the given file.
protected:
void setRaw(const std::string& key, const std::string& value);
void removeRaw(const std::string& key);
~PropertyFileConfiguration();
private:
typedef std::list<std::string> FileContent;
typedef std::map<std::string, FileContent::iterator> KeyFileContentItMap;
void parseLine(std::istream& istr);
void skipSpace(std::istream& istr) const;
bool isComment(int c) const ;
void saveComment(std::istream& istr);
void skipLine(std::istream& istr) const;
void saveKeyValue(std::istream& istr);
bool isNewLine(int c) const;
bool isKeyValueSeparator(int c) const;
void outputKeyValue(std::ostream& ostr, const std::string& key, const std::string& value) const;
bool _preserveComment;
FileContent _fileContent;
KeyFileContentItMap _keyFileContentItMap;
static int readChar(std::istream& istr);
};