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Allow escape character processing in batch mode

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Suggested by Martin Zizka, Fixes #96
This commit is contained in:
Robin Stuart 2018-03-30 11:40:44 +01:00
parent 9a5e5f3a9a
commit e6618f1a1b
2 changed files with 31 additions and 16 deletions
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17
backend/library.c
View File

@ -893,6 +893,7 @@ int escape_char_process(struct zint_symbol *symbol, unsigned char *input_string,
int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int in_length) {
int error_number, error_buffer, i;
int input_mode = symbol->input_mode;
#ifdef _MSC_VER
unsigned char* local_source;
#endif
@ -1064,7 +1065,7 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
}
/* Start acting on input mode */
if (symbol->input_mode == GS1_MODE) {
if (input_mode == GS1_MODE) {
for (i = 0; i < in_length; i++) {
if (source[i] == '\0') {
strcpy(symbol->errtxt, "219: NULL characters not permitted in GS1 mode");
@ -1088,24 +1089,24 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
local_source[in_length] = '\0';
}
if (symbol->input_mode & ESCAPE_MODE) {
if (input_mode & ESCAPE_MODE) {
error_number = escape_char_process(symbol, local_source, &in_length);
if (error_number != 0) {
error_tag(symbol->errtxt, error_number);
return error_number;
}
symbol->input_mode -= ESCAPE_MODE;
input_mode -= ESCAPE_MODE;
}
if ((symbol->input_mode < 0) || (symbol->input_mode > 2)) {
symbol->input_mode = DATA_MODE;
if ((input_mode < 0) || (input_mode > 2)) {
input_mode = DATA_MODE;
}
if ((symbol->eci != 3) && (symbol->eci != 26)) {
symbol->input_mode = DATA_MODE;
input_mode = DATA_MODE;
}
if (symbol->input_mode == UNICODE_MODE) {
if (input_mode == UNICODE_MODE) {
strip_bom(local_source, &in_length);
}
@ -1129,7 +1130,7 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
}
if ((error_number == ZINT_ERROR_INVALID_DATA) && (supports_eci(symbol->symbology)
&& (symbol->input_mode == UNICODE_MODE))) {
&& (input_mode == UNICODE_MODE))) {
/* Try another ECI mode */
symbol->eci = get_best_eci(local_source, in_length);

30
frontend/main.c
View File

@ -199,7 +199,7 @@ int batch_process(struct zint_symbol *symbol, char *filename, int mirror_mode, c
char number[12], reverse_number[12];
int inpos, local_line_count;
char format_string[127], reversed_string[127], format_char;
int format_len, i;
int format_len, i, o;
char adjusted[2];
memset(buffer, 0, sizeof (unsigned char) * 7100);
@ -300,9 +300,12 @@ int batch_process(struct zint_symbol *symbol, char *filename, int mirror_mode, c
}
} else {
/* Name the output file from the data being processed */
for (i = 0; (i < posn && i < 250); i++) {
i = 0;
o = 0;
do {
//for (i = 0; (i < posn && i < 250); i++) {
if (buffer[i] < 0x20) {
output_file[i] = '_';
output_file[o] = '_';
} else {
switch (buffer[i]) {
case 0x21: // !
@ -313,19 +316,30 @@ int batch_process(struct zint_symbol *symbol, char *filename, int mirror_mode, c
case 0x3c: // <
case 0x3e: // >
case 0x3f: // ?
case 0x5c: // Backslash
case 0x7c: // |
case 0x7f: // DEL
output_file[i] = '_';
output_file[o] = '_';
break;
default:
output_file[i] = buffer[i];
output_file[o] = buffer[i];
}
}
}
// Skip escape characters
if ((buffer[i] == 0x5c) && (symbol->input_mode & ESCAPE_MODE)) {
i++;
if (buffer[i] == 'x') {
i += 2;
}
}
i++;
o++;
} while (i < posn && o < 250);
/* Add file extension */
output_file[i] = '.';
output_file[i + 1] = '\0';
output_file[o] = '.';
output_file[o + 1] = '\0';
strcat(output_file, filetype);
}