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-rw-r--r--src/read_file_command.h60
-rw-r--r--src/utility.h48
2 files changed, 108 insertions, 0 deletions
diff --git a/src/read_file_command.h b/src/read_file_command.h
new file mode 100644
index 0000000..88c20bf
--- /dev/null
+++ b/src/read_file_command.h
@@ -0,0 +1,60 @@
+#include <xalanc/Include/PlatformDefinitions.hpp>
+#include <xercesc/util/PlatformUtils.hpp>
+#include <xalanc/XalanTransformer/XalanTransformer.hpp>
+#include <xalanc/XPath/XObjectFactory.hpp>
+#include <xalanc/XPath/Function.hpp>
+
+#include "utility.h"
+
+XALAN_USING_XALAN(Function)
+XALAN_USING_XALAN(Locator)
+XALAN_USING_XALAN(XPathExecutionContext)
+XALAN_USING_XALAN(XalanDOMString)
+XALAN_USING_XALAN(XalanNode)
+XALAN_USING_XALAN(XObjectPtr)
+XALAN_USING_XALAN(MemoryManager)
+XALAN_USING_XALAN(XalanCopyConstruct)
+
+class FunctionFileRead : public Function {
+ public:
+ virtual XObjectPtr execute(
+ XPathExecutionContext& executionContext,
+ XalanNode* context,
+ const XObjectArgVectorType& args,
+ const Locator* locator
+ ) const {
+ if ( args.size() != 1 ) {
+ XPathExecutionContext::GetAndReleaseCachedString guard(executionContext);
+
+ generalError(executionContext, context, locator);
+ }
+
+ xalanc_1_11::CharVectorType tmpFileName;
+ std::string fileName;
+
+ args[0]->str().transcode(tmpFileName);
+ std::move(tmpFileName.begin(), tmpFileName.end(), fileName.begin());
+
+ std::string content(readFile(fileName));
+
+ return executionContext.getXObjectFactory().createString(
+ XalanDOMString(content.data())
+ );
+ }
+
+ virtual FunctionFileRead* clone(MemoryManager& manager) const {
+ return XalanCopyConstruct(manager, *this);
+ }
+
+ protected:
+ const XalanDOMString& getError(XalanDOMString& result) const {
+ result.assign("The read-file() function expects one argument.");
+
+ return result;
+ }
+
+ private:
+ FunctionFileRead& operator=(const FunctionFileRead&);
+ bool operator==(const FunctionFileRead&) const;
+
+};
diff --git a/src/utility.h b/src/utility.h
new file mode 100644
index 0000000..7050cee
--- /dev/null
+++ b/src/utility.h
@@ -0,0 +1,48 @@
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <cstddef>
+#include <cstdio>
+
+namespace {
+
+const int OpenFlags = O_RDONLY;
+const mode_t OpenMode = S_IRUSR | S_IWUSR;
+
+}
+
+std::string readFile(const std::string& path) {
+ int descriptor(
+ open(path.data(), OpenFlags, OpenMode)
+ );
+
+ if ( descriptor == -1 ) {
+ close(descriptor);
+
+ return "io error";
+ } else {
+ struct stat info;
+ fstat(descriptor, &info);
+ const std::size_t size(info.st_size);
+
+ char* buffer(new char[size]);
+
+ ssize_t readSize(read(
+ descriptor,
+ reinterpret_cast<void*>(buffer),
+ size
+ ));
+
+ close(descriptor);
+
+ std::string content(
+ buffer,
+ readSize
+ );
+
+ delete[] buffer;
+
+ return content;
+ }
+}