Tesseract 3.02

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combine_tessdata.cpp File Reference
`#include "tessdatamanager.h"`

Go to the source code of this file.

## Functions
int | main (int argc, char **argv)

## Function Documentation

int main | ( | int | argc,
|  | char ** | argv
| ) |  |

Public Function Prototypes —————————————————————————-

Definition at line 66 of file combine_tessdata.cpp.

{
int i;
if (argc == 2) {
printf("Combining tessdata files\n");
STRING output_file = argv[1];
output_file += kTrainedDataSuffix;
if (!tesseract::TessdataManager::CombineDataFiles(
argv[1], output_file.string())) {
char* last = &argv[1][strlen(argv[1])-1];
printf("Error combining tessdata files into %s\n",
output_file.string());
if (*last != '.')
printf("Hint: the prefix is missing a period (.)\n");
}
} else if (argc >= 4 && (strcmp(argv[1], "-e") == 0 ||
strcmp(argv[1], "-u") == 0)) {
// Initialize TessdataManager with the data in the given traineddata file.
tesseract::TessdataManager tm;
tm.Init(argv[2], 0);
printf("Extracting tessdata components from %s\n", argv[2]);
if (strcmp(argv[1], "-e") == 0) {
for (i = 3; i < argc; ++i) {
if (tm.ExtractToFile(argv[i])) {
printf("Wrote %s\n", argv[i]);
} else {
printf("Not extracting %s, since this component"
" is not present\n", argv[i]);
}
}
} else { // extract all the components
for (i = 0; i < tesseract::TESSDATA_NUM_ENTRIES; ++i) {
STRING filename = argv[3];
filename += tesseract::kTessdataFileSuffixes[i];
if (tm.ExtractToFile(filename.string())) {
printf("Wrote %s\n", filename.string());
}
}
}
tm.End();
} else if (argc >= 4 && strcmp(argv[1], "-o") == 0) {
// Rename the current traineddata file to a temporary name.
const char *new_traineddata_filename = argv[2];
STRING traineddata_filename = new_traineddata_filename;
traineddata_filename += ".__tmp__";
if (rename(new_traineddata_filename, traineddata_filename.string()) != 0) {
tprintf("Failed to create a temporary file %s\n",
traineddata_filename.string());
exit(1);
}
// Initialize TessdataManager with the data in the given traineddata file.
tesseract::TessdataManager tm;
tm.Init(traineddata_filename.string(), 0);
// Write the updated traineddata file.
tm.OverwriteComponents(new_traineddata_filename, argv+3, argc-3);
tm.End();
} else {
printf("Usage for combining tessdata components:\n"
"%s language_data_path_prefix (e.g. tessdata/eng.)\n", argv[0]);
printf("Usage for extracting tessdata components:\n"
"%s -e traineddata_file [output_component_file...]\n", argv[0]);
printf("Usage for overwriting tessdata components:\n"
"%s -o traineddata_file [input_component_file...]\n", argv[0]);
printf("Usage for unpacking all tessdata components:\n"
"%s -u traineddata_file output_path_prefix"
" (e.g. /tmp/eng.)\n", argv[0]);
return 1;
}
}