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#include "read_file.h"
#include "boost/filesystem/fstream.hpp"
#include <fstream>
namespace InputXSLT {
FunctionReadFile::FunctionReadFile(const FilesystemContext& context):
fs_context_(context) { }
xalan::XObjectPtr FunctionReadFile::execute(
xalan::XPathExecutionContext& executionContext,
xalan::XalanNode*,
const xalan::XObjectPtr argument,
const xalan::Locator*
) const {
const boost::filesystem::path filePath(
this->fs_context_.resolve(argument->str())
);
if ( boost::filesystem::is_regular_file(filePath) ) {
boost::filesystem::ifstream file(filePath);
const std::string fileContent(
(std::istreambuf_iterator<char>(file)),
(std::istreambuf_iterator<char>())
);
return executionContext.getXObjectFactory().createString(
xalan::XalanDOMString(fileContent.data())
);
} else {
return executionContext.getXObjectFactory().createString(
xalan::XalanDOMString("io error")
);
}
}
FunctionReadFile* FunctionReadFile::clone(
xalan::MemoryManager& manager) const {
return xalan::XalanCopyConstruct(manager, *this);
}
const xalan::XalanDOMString& FunctionReadFile::getError(
xalan::XalanDOMString& result) const {
result.assign("The read-file() function expects one argument of type string.");
return result;
}
}
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