#include <stdlib.h>
#include <string.h>
+#include <stdint.h>
#include "CollectionReader.h"
#include "GlobalSettings.h"
free(line);
return ed2kLink;
} else {
+ /* read header */
+ if (!ensureBufferCapacity(4)) {
+ return NULL;
+ }
+ uint32_t headerTagCount = 0;
+ growingBuffer.read(&headerTagCount, 4);
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] will read %d header tags.\n", __FILE__, __LINE__, headerTagCount);
+ for (uint32_t headerTagIndex = 0; headerTagIndex < headerTagCount; headerTagIndex++) {
+ uint8_t tagType = 0;
+ if (!ensureBufferCapacity(1)) {
+ return NULL;
+ }
+ growingBuffer.read(&tagType, 1);
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] read tag type %d.\n", __FILE__, __LINE__, tagType);
+ if (tagType == 0x02) {
+ uint16_t unknown = 0;
+ if (!ensureBufferCapacity(2)) {
+ return NULL;
+ }
+ growingBuffer.read(&unknown, 2);
+ uint8_t tagName = 0;
+ if (!ensureBufferCapacity(1)) {
+ return NULL;
+ }
+ growingBuffer.read(&tagName, 1);
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] read tag name %d.\n", __FILE__, __LINE__, tagName);
+ uint16_t tagLength = 0;
+ if (!ensureBufferCapacity(2)) {
+ return NULL;
+ }
+ growingBuffer.read(&tagLength, 2);
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] read tag length %d.\n", __FILE__, __LINE__, tagLength);
+ char* tagValue = (char*) malloc(tagLength + 1);
+ if (!ensureBufferCapacity(tagLength)) {
+ return NULL;
+ }
+ growingBuffer.read(tagValue, tagLength);
+ tagValue[tagLength] = '\0';
+ if (tagName == 0x01) {
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] read FT_FILENAME: “%s”.\n", __FILE__, __LINE__, tagValue);
+ } else if (tagName == 0x31) {
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] read FT_COLLECTIONAUTHOR: “%s”.\n", __FILE__, __LINE__, tagValue);
+ } else {
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] unknown tag: “%s”.\n", __FILE__, __LINE__, tagValue);
+ }
+ } else if (tagType == 0x07) {
+ }
+ }
}
return NULL;
}
+bool CollectionReader::ensureBufferCapacity(size_t byteCount) {
+ while (!readerInput->isEOF() && (growingBuffer.getRemaining() < byteCount)) {
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] only %d bytes remaning, need at least %d, reading more bytes.\n", __FILE__, __LINE__, growingBuffer.getRemaining(), byteCount);
+ readMoreBytes();
+ }
+ if (readerInput->isEOF() && (growingBuffer.getRemaining() < byteCount)) {
+ GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] need %d more bytes, but file is EOF.\n", __FILE__, __LINE__, (byteCount - growingBuffer.getRemaining()));
+ return false;
+ }
+ return true;
+}
+
void CollectionReader::readMoreBytes() {
char buffer[1024];
size_t readBytes;