71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
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#include <iostream>
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#include "charsetdetect.h"
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#include "charsetdetectPriv.h"
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//
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// C++ API to the character set detector (not exported)
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//
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void Detector::Report(const char* aCharset) {
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// mDone has to be set true here because the original code
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// does not always set it, and I am trying to avoid modifying
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// the original code.
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mDone = PR_TRUE;
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mDetectedCharset = aCharset;
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}
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int Detector::Consider(const char *data, int length) {
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if (HandleData(data, length) == NS_ERROR_OUT_OF_MEMORY) {
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// Error, signal with a negative number
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return -1;
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}
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if (mDone) {
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// Detected early
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return 0;
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}
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// Need more data!
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return 1;
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}
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const char *Detector::Close(void) {
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DataEnd();
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if (!mDone) {
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if (mInputState == eEscAscii) {
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return "ibm850";
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}
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else if (mInputState == ePureAscii) {
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return "ASCII";
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}
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return NULL;
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}
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return mDetectedCharset;
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}
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//
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// C API to the character set detector (we actually export this)
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//
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csd_t csd_open(void) {
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// TODO: capture exceptions thrown by "new" and return -1 in that case
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// TODO: provide C-land with access to the language filter constructor argument
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return new Detector(NS_FILTER_ALL);
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}
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int csd_consider(csd_t csd, const char *data, int length) {
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return ((Detector*)csd)->Consider(data, length);
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}
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const char *csd_close(csd_t csd) {
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const char *result = ((Detector*)csd)->Close();
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delete ((Detector*)csd);
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return result;
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}
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