Go to the documentation of this file.00001
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00009 #include "Properties.hh"
00010 #include <cstdlib>
00011 #include "StringUtil.hh"
00012
00013 namespace log4cpp {
00014
00015 Properties::Properties() {
00016 }
00017
00018 Properties::~Properties() {
00019 }
00020
00021 void Properties::load(std::istream& in) {
00022 clear();
00023
00024 std::string fullLine, command;
00025 std::string leftSide, rightSide;
00026 char line[256];
00027 std::string::size_type length;
00028
00029 while (in.getline(line, 256)) {
00030 fullLine = line;
00031
00032
00033
00034
00035
00036
00037
00038 length = fullLine.find('#');
00039 if (length == std::string::npos) {
00040 command = fullLine;
00041 } else if (length > 0) {
00042 command = fullLine.substr(0, length);
00043 } else {
00044 continue;
00045 }
00046
00047
00048 length = command.find('=');
00049 if (length != std::string::npos) {
00050 leftSide = StringUtil::trim(command.substr(0, length));
00051 rightSide = StringUtil::trim(command.substr(length + 1, command.size() - length));
00052 _substituteVariables(rightSide);
00053 } else {
00054 continue;
00055 }
00056
00057
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00060
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00065
00066 length = leftSide.find('.');
00067 if (leftSide.substr(0, length) == "log4j" ||
00068 leftSide.substr(0, length) == "log4cpp")
00069 leftSide = leftSide.substr(length + 1);
00070
00071
00072 insert(value_type(leftSide, rightSide));
00073 }
00074 }
00075
00076 void Properties::save(std::ostream& out) {
00077 for(const_iterator i = begin(); i != end(); ++i) {
00078 out << (*i).first << "=" << (*i).second << std::endl;
00079 }
00080 }
00081
00082 int Properties::getInt(const std::string& property, int defaultValue) {
00083 const_iterator key = find(property);
00084 return (key == end()) ? defaultValue : std::atoi((*key).second.c_str());
00085 }
00086
00087 bool Properties::getBool(const std::string& property, bool defaultValue) {
00088 const_iterator key = find(property);
00089 return (key == end()) ? defaultValue : ((*key).second == "true");
00090 }
00091
00092 std::string Properties::getString(const std::string& property,
00093 const char* defaultValue) {
00094 const_iterator key = find(property);
00095 return (key == end()) ? std::string(defaultValue) : (*key).second;
00096 }
00097
00098 void Properties::_substituteVariables(std::string& value) {
00099 std::string result;
00100
00101 std::string::size_type left = 0;
00102 std::string::size_type right = value.find("${", left);
00103 if (right == std::string::npos) {
00104
00105 return;
00106 }
00107
00108 while(true) {
00109 result += value.substr(left, right - left);
00110 if (right == std::string::npos) {
00111 break;
00112 }
00113
00114 left = right + 2;
00115 right = value.find('}', left);
00116 if (right == std::string::npos) {
00117
00118 result += value.substr(left - 2);
00119 break;
00120 } else {
00121 const std::string key = value.substr(left, right - left);
00122 if (key == "${") {
00123 result += "${";
00124 } else {
00125 char* value = std::getenv(key.c_str());
00126 if (value) {
00127 result += value;
00128 } else {
00129 const_iterator it = find(key);
00130 if (it == end()) {
00131
00132 } else {
00133 result += (*it).second;
00134 }
00135 }
00136 }
00137 left = right + 1;
00138 }
00139
00140 right = value.find("${", left);
00141 }
00142
00143 value = result;
00144 }
00145 }
log4cpp
Author(s): Stephen Roderick, Bastiaan Bakker, Cedric Le Goater, Steve Ostlind, Marcel Harkema, Walter Stroebel, Glenn Scott and Tony Cheung
autogenerated on Sat Jun 8 2019 18:45:46