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Add escape codes to CLI

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Escape codes can now be used from the CLI - such as /n for 0x0a
This commit is contained in:
Robin Stuart 2010-06-13 12:03:40 +01:00
parent 807d9460d1
commit e3f3dddbf0
1 changed files with 54 additions and 3 deletions
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57
frontend/main.c
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@ -31,6 +31,11 @@
#endif
#define NESET "0123456789"
#ifdef _MSC_VER
#include <malloc.h>
#endif
void types(void) {
printf( " 1: Code 11 51: Pharma One-Track 90: KIX Code\n"
" 2: Standard 2of5 52: PZN 92: Aztec Code\n"
@ -114,6 +119,54 @@ int validator(char test_string[], char source[])
return 0;
}
int escape_char_process(struct zint_symbol *my_symbol, unsigned char input_string[], int length)
{
int error_number;
int i, j;
#ifndef _MSC_VER
unsigned char escaped_string[length + 1];
#else
unsigned char* escaped_string = (unsigned char*)_alloca(length + 1);
#endif
i = 0;
j = 0;
do {
if(input_string[i] == '\\') {
switch(input_string[i + 1]) {
case '0': escaped_string[j] = 0x00; i += 2; break; /* Null */
case 'E': escaped_string[j] = 0x04; i += 2; break; /* End of Transmission */
case 'a': escaped_string[j] = 0x07; i += 2; break; /* Bell */
case 'b': escaped_string[j] = 0x08; i += 2; break; /* Backspace */
case 't': escaped_string[j] = 0x09; i += 2; break; /* Horizontal tab */
case 'n': escaped_string[j] = 0x0a; i += 2; break; /* Line feed */
case 'v': escaped_string[j] = 0x0b; i += 2; break; /* Vertical tab */
case 'f': escaped_string[j] = 0x0c; i += 2; break; /* Form feed */
case 'r': escaped_string[j] = 0x0d; i += 2; break; /* Carriage return */
case 'e': escaped_string[j] = 0x1b; i += 2; break; /* Escape */
case 'G': escaped_string[j] = 0x1d; i += 2; break; /* Group Separator */
case 'R': escaped_string[j] = 0x1e; i += 2; break; /* Record Separator */
case '\\': escaped_string[j] = '\\'; i += 2; break;
default: escaped_string[j] = input_string[i]; i++; break;
}
} else {
escaped_string[j] = input_string[i];
i++;
}
j++;
} while (i < length);
escaped_string[j] = '\0';
printf("Input: %s\n", input_string);
printf("Output:%s\n", escaped_string);
error_number = ZBarcode_Encode(my_symbol, escaped_string, j);
return error_number;
}
int main(int argc, char **argv)
{
struct zint_symbol *my_symbol;
@ -277,8 +330,6 @@ int main(int argc, char **argv)
}
}
if(!strcmp(long_options[option_index].name, "mode")) {
/* Don't allow specification of modes 2 and 3 - do it
automagically instead */
if((optarg[0] >= '0') && (optarg[0] <= '6')) {
my_symbol->option_1 = optarg[0] - '0';
} else {
@ -332,7 +383,7 @@ int main(int argc, char **argv)
break;
case 'd': /* we have some data! */
error_number = ZBarcode_Encode(my_symbol, (unsigned char*)optarg, strlen(optarg));
error_number = escape_char_process(my_symbol, (unsigned char*)optarg, strlen(optarg));
if(error_number == 0) {
error_number = ZBarcode_Print(my_symbol, rotate_angle);
}