4 * Created on: Apr 17, 2014
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8 #include "Config_Common.h"
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9 #include <Config_Keywords.h>
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11 #include <libxml/parser.h>
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12 #include <libxml/tree.h>
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14 #include <sstream> // for stringstream
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17 #include <algorithm> // for std::transform
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19 bool isElementNode(xmlNodePtr theNode)
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21 return theNode->type == XML_ELEMENT_NODE;
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24 bool isNode(xmlNodePtr theNode, const char* theNodeName, ...)
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26 bool result = false;
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27 const xmlChar* aName = theNode->name;
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28 if (!aName || !isElementNode(theNode)) {
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31 if (!xmlStrcmp(aName, (const xmlChar *) theNodeName)) {
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34 va_list args; // define argument list variable
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35 va_start(args, theNodeName); // init list; point to last defined argument
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37 char *anArg = va_arg (args, char*); // get next argument
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40 if (!xmlStrcmp(aName, (const xmlChar *) anArg)) {
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41 va_end(args); // cleanup the system stack
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45 va_end(args); // cleanup the system stack
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49 bool isWidgetNode(xmlNodePtr theNode)
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51 if(!isElementNode(theNode))
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53 // it's parent is "feature" or "source"
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54 xmlNodePtr aParentNode = theNode->parent;
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55 if(!isNode(aParentNode, NODE_FEATURE, NODE_SOURCE, NULL))
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58 //it should not be a "source" or a "validator" node
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59 return !isNode(theNode, NODE_SOURCE, NODE_VALIDATOR, NULL);
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62 bool hasChild(xmlNodePtr theNode)
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64 xmlNodePtr aNode = theNode->children;
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65 for (; aNode; aNode = aNode->next) {
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66 if (isElementNode(theNode)) {
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73 bool getValidatorInfo(xmlNodePtr theNode, std::string& outValidatorId,
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74 std::list<std::string>& outValidatorParameters)
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77 char* anIdProp = (char*) xmlGetProp(theNode, BAD_CAST _ID);
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78 if (!anIdProp || anIdProp[0] == 0) {
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81 outValidatorId = std::string(anIdProp);
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83 //Validator parameters:
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84 char* aParamProp = (char*) xmlGetProp(theNode, BAD_CAST VALIDATOR_PARAMETERS);
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85 if (aParamProp && aParamProp[0] != 0) {
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86 std::string aPropString = std::string(aParamProp);
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87 std::stringstream aPropStringStream(aPropString);
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88 char COMMA_DELIM = ',';
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89 std::string aValidatorParameter;
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90 while (std::getline(aPropStringStream, aValidatorParameter, ',')) {
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91 outValidatorParameters.push_back(aValidatorParameter);
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97 std::string library(const std::string& theLibName)
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99 if(theLibName.empty())
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100 return std::string();
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101 std::string aLibName = theLibName;
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103 static std::string aLibExt( ".so" );
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104 if (aLibName.size() < 3 || aLibName.substr(0, 3) !="lib") {
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105 aLibName = "lib" + aLibName;
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108 static std::string aLibExt(".dll");
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110 std::string anExt = aLibName.substr(aLibName.size() - 4);
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111 if (anExt != aLibExt)
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112 aLibName += aLibExt;
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117 std::string getProperty(xmlNodePtr theNode, const char* thePropName)
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119 std::string result = "";
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120 char* aPropChars = (char*) xmlGetProp(theNode, BAD_CAST thePropName);
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121 if (!aPropChars || aPropChars[0] == 0)
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123 result = std::string(aPropChars);
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127 bool getBooleanAttribute(xmlNodePtr theNode, const char* theAttributeName, bool theDefault)
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129 std::string prop = getProperty(theNode, theAttributeName);
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130 std::transform(prop.begin(), prop.end(), prop.begin(), ::tolower);
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131 bool result = theDefault;
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132 if (prop == "true" || prop == "1") {
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134 } else if (prop == "false" || prop == "0") {
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