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First attempt at i18n using gettext

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This commit is contained in:
Robin Stuart
2020-11-07 19:26:10 +00:00
parent 44923349f3
commit 06058d7518
45 changed files with 1236 additions and 356 deletions
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179
backend/library.c
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@@ -185,16 +185,16 @@ INTERNAL int dpd_parcel(struct zint_symbol *symbol, unsigned char source[], int
INTERNAL int plot_raster(struct zint_symbol *symbol, int rotate_angle, int file_type); /* Plot to PNG/BMP/PCX */
INTERNAL int plot_vector(struct zint_symbol *symbol, int rotate_angle, int file_type); /* Plot to EPS/EMF/SVG */
static void error_tag(char error_string[], int error_number) {
static void error_tag(char error_string[], int error_number, int err_origin) {
if (error_number != 0) {
char error_buffer[100];
strcpy(error_buffer, error_string);
if (error_number >= ZINT_ERROR) {
strcpy(error_string, "Error ");
sprintf(error_string, "Error %d: ", err_origin);
} else {
strcpy(error_string, "Warning ");
sprintf(error_string, "Warning %d: ", err_origin);
}
strcat(error_string, error_buffer);
@@ -214,7 +214,8 @@ static int dump_plot(struct zint_symbol *symbol) {
} else {
f = fopen(symbol->outfile, "w");
if (!f) {
strcpy(symbol->errtxt, "201: Could not open output file");
symbol->err_origin = 201;
strcpy(symbol->errtxt, _("Can't open output file"));
return ZINT_ERROR_FILE_ACCESS;
}
}
@@ -268,13 +269,15 @@ static int hibc(struct zint_symbol *symbol, unsigned char source[], size_t lengt
/* without "+" and check: max 110 characters in HIBC 2.6 */
if (length > 110) {
strcpy(symbol->errtxt, "202: Data too long for HIBC LIC");
symbol->err_origin = 202;
strcpy(symbol->errtxt, _("Data too long for HIBC LIC"));
return ZINT_ERROR_TOO_LONG;
}
to_upper(source);
error_number = is_sane(TECHNETIUM, source, length);
if (error_number == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "203: Invalid characters in data");
symbol->err_origin = 203;
strcpy(symbol->errtxt, _("Invalid character in data"));
return error_number;
}
@@ -742,7 +745,8 @@ static int reduced_charset(struct zint_symbol *symbol, unsigned char *source, si
preprocessed = preprocessed_buf;
error_number = utf_to_eci(symbol->eci && symbol->eci <= 899 ? symbol->eci : 3, source, preprocessed, &in_length);
if (error_number != 0) {
strcpy(symbol->errtxt, "204: Invalid characters in input data");
symbol->err_origin = 204;
strcpy(symbol->errtxt,_("Invalid character in data"));
return error_number;
}
}
@@ -947,7 +951,8 @@ static int escape_char_process(struct zint_symbol *symbol, unsigned char *input_
do {
if (input_string[in_posn] == '\\') {
if (in_posn + 1 >= *length) {
strcpy(symbol->errtxt, "236: Incomplete escape character in input data");
symbol->err_origin = 236;
strcpy(symbol->errtxt, _("Incomplete escape character in input data"));
return ZINT_ERROR_INVALID_DATA;
}
switch (input_string[in_posn + 1]) {
@@ -988,7 +993,8 @@ static int escape_char_process(struct zint_symbol *symbol, unsigned char *input_
in_posn += 2;
break;
case 'x': if (in_posn + 4 > *length) {
strcpy(symbol->errtxt, "232: Incomplete escape character in input data");
symbol->err_origin = 232;
strcpy(symbol->errtxt, _("Incomplete escape character in input data"));
return ZINT_ERROR_INVALID_DATA;
}
hex1 = ctoi(input_string[in_posn + 2]);
@@ -1004,7 +1010,8 @@ static int escape_char_process(struct zint_symbol *symbol, unsigned char *input_
}
in_posn += 4;
} else {
strcpy(symbol->errtxt, "233: Corrupt escape character in input data");
symbol->err_origin = 233;
strcpy(symbol->errtxt, _("Corrupt escape character in input data"));
return ZINT_ERROR_INVALID_DATA;
}
break;
@@ -1013,13 +1020,15 @@ static int escape_char_process(struct zint_symbol *symbol, unsigned char *input_
break;
case 'u':
if (in_posn + 6 > *length) {
strcpy(symbol->errtxt, "209: Incomplete unicode escape character in input data");
symbol->err_origin = 209;
strcpy(symbol->errtxt, _("Incomplete Unicode escape character in input data"));
return ZINT_ERROR_INVALID_DATA;
}
unicode = 0;
for (i = 0; i < 4; i++) {
if (ctoi(input_string[in_posn + i + 2]) == -1) {
strcpy(symbol->errtxt, "211: Corrupt unicode escape character in input data");
symbol->err_origin = 211;
strcpy(symbol->errtxt, _("Corrupt Unicode escape character in input data"));
return ZINT_ERROR_INVALID_DATA;
}
unicode = unicode << 4;
@@ -1040,7 +1049,9 @@ static int escape_char_process(struct zint_symbol *symbol, unsigned char *input_
}
in_posn += 6;
break;
default: strcpy(symbol->errtxt, "234: Unrecognised escape character in input data");
default:
symbol->err_origin = 234;
strcpy(symbol->errtxt, _("Unrecognised escape character in input data"));
return ZINT_ERROR_INVALID_DATA;
break;
}
@@ -1071,16 +1082,18 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
error_number = 0;
if (source == NULL) {
strcpy(symbol->errtxt, "200: Input data NULL");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA);
symbol->err_origin = 200;
strcpy(symbol->errtxt, _("Input data NULL"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA, symbol->err_origin);
return ZINT_ERROR_INVALID_DATA;
}
if (in_length <= 0) {
in_length = (int)ustrlen(source);
}
if (in_length <= 0) {
strcpy(symbol->errtxt, "205: No input data");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA);
symbol->err_origin = 205;
strcpy(symbol->errtxt, _("No input data"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA, symbol->err_origin);
return ZINT_ERROR_INVALID_DATA;
}
@@ -1100,7 +1113,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
/* First check the symbology field */
if (!ZBarcode_ValidID(symbol->symbology)) {
if (symbol->symbology < 1) {
strcpy(symbol->errtxt, "206: Symbology out of range");
symbol->err_origin = 206;
strcpy(symbol->errtxt, _("Symbology out of range"));
if (symbol->warn_level == WARN_FAIL_ALL) {
error_number = ZINT_ERROR_INVALID_OPTION;
} else {
@@ -1117,7 +1131,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
} else if (symbol->symbology == 17) {
symbol->symbology = BARCODE_UPCA;
} else if (symbol->symbology == 19) {
strcpy(symbol->errtxt, "207: Codabar 18 not supported");
symbol->err_origin = 207;
strcpy(symbol->errtxt, _("Codabar 18 not supported"));
if (symbol->warn_level == WARN_FAIL_ALL) {
error_number = ZINT_ERROR_INVALID_OPTION;
} else {
@@ -1127,7 +1142,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
} else if (symbol->symbology == 26) {
symbol->symbology = BARCODE_UPCA;
} else if (symbol->symbology == 27) {
strcpy(symbol->errtxt, "208: UPCD1 not supported");
symbol->err_origin = 208;
strcpy(symbol->errtxt, _("UPCD1 not supported"));
error_number = ZINT_ERROR_INVALID_OPTION;
} else if (symbol->symbology == 33) {
symbol->symbology = BARCODE_GS1_128;
@@ -1140,7 +1156,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
} else if (symbol->symbology == 48) {
symbol->symbology = BARCODE_NVE18;
} else if (symbol->symbology == 54) {
strcpy(symbol->errtxt, "210: General Parcel Code not supported");
symbol->err_origin = 210;
strcpy(symbol->errtxt, _("General Parcel Code not supported"));
if (symbol->warn_level == WARN_FAIL_ALL) {
error_number = ZINT_ERROR_INVALID_OPTION;
} else {
@@ -1160,7 +1177,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
} else if (symbol->symbology == 88) {
symbol->symbology = BARCODE_GS1_128;
} else if (symbol->symbology == 91) {
strcpy(symbol->errtxt, "212: Symbology out of range");
symbol->err_origin = 212;
strcpy(symbol->errtxt, _("Symbology out of range"));
if (symbol->warn_level == WARN_FAIL_ALL) {
error_number = ZINT_ERROR_INVALID_OPTION;
} else {
@@ -1168,7 +1186,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
error_number = ZINT_WARN_INVALID_OPTION;
}
} else if ((symbol->symbology >= 94) && (symbol->symbology <= 95)) {
strcpy(symbol->errtxt, "213: Symbology out of range");
symbol->err_origin = 213;
strcpy(symbol->errtxt, _("Symbology out of range"));
if (symbol->warn_level == WARN_FAIL_ALL) {
error_number = ZINT_ERROR_INVALID_OPTION;
} else {
@@ -1190,7 +1209,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
} else if (symbol->symbology == 111) {
symbol->symbology = BARCODE_HIBC_BLOCKF;
} else if ((symbol->symbology == 113) || (symbol->symbology == 114)) {
strcpy(symbol->errtxt, "214: Symbology out of range");
symbol->err_origin = 214;
strcpy(symbol->errtxt, _("Symbology out of range"));
if (symbol->warn_level == WARN_FAIL_ALL) {
error_number = ZINT_ERROR_INVALID_OPTION;
} else {
@@ -1201,7 +1221,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
symbol->symbology = BARCODE_DOTCODE;
} else if ((symbol->symbology >= 117) && (symbol->symbology <= 127)) {
if (symbol->symbology != 121) {
strcpy(symbol->errtxt, "215: Symbology out of range");
symbol->err_origin = 215;
strcpy(symbol->errtxt, _("Symbology out of range"));
if (symbol->warn_level == WARN_FAIL_ALL) {
error_number = ZINT_ERROR_INVALID_OPTION;
} else {
@@ -1211,7 +1232,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
}
/* Everything from 128 up is Zint-specific */
} else if (symbol->symbology > 145) {
strcpy(symbol->errtxt, "216: Symbology out of range");
symbol->err_origin = 216;
strcpy(symbol->errtxt, _("Symbology out of range"));
if (symbol->warn_level == WARN_FAIL_ALL) {
error_number = ZINT_ERROR_INVALID_OPTION;
} else {
@@ -1220,23 +1242,26 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
}
}
if (error_number >= ZINT_ERROR) {
error_tag(symbol->errtxt, error_number);
error_tag(symbol->errtxt, error_number, symbol->err_origin);
return error_number;
}
}
if (symbol->eci != 0) {
if (!(supports_eci(symbol->symbology))) {
strcpy(symbol->errtxt, "217: Symbology does not support ECI switching");
symbol->err_origin = 217;
strcpy(symbol->errtxt, _("Symbology does not support ECI switching"));
error_number = ZINT_ERROR_INVALID_OPTION;
} else if ((symbol->eci < 0) || (symbol->eci == 1) || (symbol->eci == 2) || (symbol->eci > 999999)) {
strcpy(symbol->errtxt, "218: Invalid ECI mode");
symbol->err_origin = 218;
strcpy(symbol->errtxt, _("Invalid ECI"));
error_number = ZINT_ERROR_INVALID_OPTION;
}
}
if ((symbol->dot_size < 0.01f) || (symbol->dot_size > 20.0f)) {
strcpy(symbol->errtxt, "221: Invalid dot size");
symbol->err_origin = 221;
strcpy(symbol->errtxt, _("Invalid dot size"));
error_number = ZINT_ERROR_INVALID_OPTION;
}
@@ -1245,7 +1270,7 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
}
if (error_number >= ZINT_ERROR) {
error_tag(symbol->errtxt, error_number);
error_tag(symbol->errtxt, error_number, symbol->err_origin);
return error_number;
}
error_buffer = error_number;
@@ -1257,7 +1282,7 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
if (symbol->input_mode & ESCAPE_MODE) {
error_number = escape_char_process(symbol, local_source, &in_length);
if (error_number != 0) {
error_tag(symbol->errtxt, error_number);
error_tag(symbol->errtxt, error_number, symbol->err_origin);
return error_number;
}
}
@@ -1278,17 +1303,18 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
error_number = gs1_verify(symbol, local_source, in_length, reduced);
if (error_number != 0) {
if (is_composite(symbol->symbology)) {
strcat(symbol->errtxt, " in 2D component");
strcat(symbol->errtxt, _(" in 2D component"));
}
error_tag(symbol->errtxt, error_number);
error_tag(symbol->errtxt, error_number, symbol->err_origin);
return error_number;
}
ustrcpy(local_source, reduced); // Cannot contain nul char
in_length = (int) ustrlen(local_source);
}
} else {
strcpy(symbol->errtxt, "220: Selected symbology does not support GS1 mode");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 220;
strcpy(symbol->errtxt, _("Selected symbology does not support GS1 mode"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
}
@@ -1305,7 +1331,8 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
if (error_number == 0) {
error_number = ZINT_WARN_USES_ECI;
if (!(symbol->debug & ZINT_DEBUG_TEST)) {
strcpy(symbol->errtxt, "222: Encoded data includes ECI");
symbol->err_origin = 222;
strcpy(symbol->errtxt, _("Encoded data includes ECI"));
}
if (symbol->debug & ZINT_DEBUG_PRINT) printf("Data ECI %d\n", symbol->eci);
}
@@ -1314,7 +1341,7 @@ int ZBarcode_Encode(struct zint_symbol *symbol, const unsigned char *source, int
if (error_number == 0) {
error_number = error_buffer;
}
error_tag(symbol->errtxt, error_number);
error_tag(symbol->errtxt, error_number, symbol->err_origin);
if (error_number < ZINT_ERROR) {
check_row_heights(symbol);
@@ -1335,15 +1362,17 @@ int ZBarcode_Print(struct zint_symbol *symbol, int rotate_angle) {
case 270:
break;
default:
strcpy(symbol->errtxt, "223: Invalid rotation angle");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 223;
strcpy(symbol->errtxt, _("Invalid rotation angle"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
if (symbol->output_options & BARCODE_DOTTY_MODE) {
if (!(is_dotty(symbol->symbology))) {
strcpy(symbol->errtxt, "224: Selected symbology cannot be rendered as dots");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 224;
strcpy(symbol->errtxt, _("Selected symbology cannot be rendered as dots"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
}
@@ -1398,17 +1427,19 @@ int ZBarcode_Print(struct zint_symbol *symbol, int rotate_angle) {
if (!(strcmp(output, "EMF"))) {
error_number = plot_vector(symbol, rotate_angle, OUT_EMF_FILE);
} else {
strcpy(symbol->errtxt, "225: Unknown output format");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 225;
strcpy(symbol->errtxt, _("Unknown output format"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
} else {
strcpy(symbol->errtxt, "226: Unknown output format");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 226;
strcpy(symbol->errtxt, _("Unknown output format"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
error_tag(symbol->errtxt, error_number);
error_tag(symbol->errtxt, error_number, symbol->err_origin);
return error_number;
}
@@ -1424,21 +1455,23 @@ int ZBarcode_Buffer(struct zint_symbol *symbol, int rotate_angle) {
case 270:
break;
default:
strcpy(symbol->errtxt, "228: Invalid rotation angle");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 228;
strcpy(symbol->errtxt, _("Invalid rotation angle"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
if (symbol->output_options & BARCODE_DOTTY_MODE) {
if (!(is_dotty(symbol->symbology))) {
strcpy(symbol->errtxt, "237: Selected symbology cannot be rendered as dots");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 237;
strcpy(symbol->errtxt, _("Selected symbology cannot be rendered as dots"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
}
error_number = plot_raster(symbol, rotate_angle, OUT_BUFFER);
error_tag(symbol->errtxt, error_number);
error_tag(symbol->errtxt, error_number, symbol->err_origin);
return error_number;
}
@@ -1454,21 +1487,23 @@ int ZBarcode_Buffer_Vector(struct zint_symbol *symbol, int rotate_angle) {
case 270:
break;
default:
strcpy(symbol->errtxt, "219: Invalid rotation angle");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 219;
strcpy(symbol->errtxt, _("Invalid rotation angle"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
if (symbol->output_options & BARCODE_DOTTY_MODE) {
if (!(is_dotty(symbol->symbology))) {
strcpy(symbol->errtxt, "238: Selected symbology cannot be rendered as dots");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);
symbol->err_origin = 238;
strcpy(symbol->errtxt, _("Selected symbology cannot be rendered as dots"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION, symbol->err_origin);
return ZINT_ERROR_INVALID_OPTION;
}
}
error_number = plot_vector(symbol, rotate_angle, OUT_BUFFER);
error_tag(symbol->errtxt, error_number);
error_tag(symbol->errtxt, error_number, symbol->err_origin);
return error_number;
}
@@ -1536,8 +1571,9 @@ int ZBarcode_Encode_File(struct zint_symbol *symbol, char *filename) {
if (!symbol) return ZINT_ERROR_INVALID_DATA;
if (!filename) {
strcpy(symbol->errtxt, "239: Filename NULL");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA);
symbol->err_origin = 239;
strcpy(symbol->errtxt, _("Filename NULL"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA, symbol->err_origin);
return ZINT_ERROR_INVALID_DATA;
}
@@ -1547,8 +1583,9 @@ int ZBarcode_Encode_File(struct zint_symbol *symbol, char *filename) {
} else {
file = fopen(filename, "rb");
if (!file) {
sprintf(symbol->errtxt, "229: Unable to read input file (%.30s)", strerror(errno));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA);
symbol->err_origin = 229;
sprintf(symbol->errtxt, _("Unable to read input file (%.30s)"), strerror(errno));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA, symbol->err_origin);
return ZINT_ERROR_INVALID_DATA;
}
@@ -1559,14 +1596,16 @@ int ZBarcode_Encode_File(struct zint_symbol *symbol, char *filename) {
if (fileLen > 7900 && fileLen != LONG_MAX) { /* On many Linux distros ftell() returns LONG_MAX not -1 on error */
/* The largest amount of data that can be encoded is 7827 numeric digits in Han Xin Code */
strcpy(symbol->errtxt, "230: Input file too long");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA);
symbol->err_origin = 230;
strcpy(symbol->errtxt, _("Input file too long"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA, symbol->err_origin);
fclose(file);
return ZINT_ERROR_INVALID_DATA;
}
if (fileLen <= 0 || fileLen == LONG_MAX) {
strcpy(symbol->errtxt, "235: Input file empty or unseekable");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA);
symbol->err_origin = 235;
strcpy(symbol->errtxt, _("Input file empty or unseekable"));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA, symbol->err_origin);
fclose(file);
return ZINT_ERROR_INVALID_DATA;
}
@@ -1575,8 +1614,9 @@ int ZBarcode_Encode_File(struct zint_symbol *symbol, char *filename) {
/* Allocate memory */
buffer = (unsigned char *) malloc(fileLen * sizeof (unsigned char));
if (!buffer) {
strcpy(symbol->errtxt, "231: Internal memory error");
error_tag(symbol->errtxt, ZINT_ERROR_MEMORY);
symbol->err_origin = 231;
strcpy(symbol->errtxt, _("Internal memory error"));
error_tag(symbol->errtxt, ZINT_ERROR_MEMORY, symbol->err_origin);
if (strcmp(filename, "-")) {
fclose(file);
}
@@ -1588,8 +1628,9 @@ int ZBarcode_Encode_File(struct zint_symbol *symbol, char *filename) {
do {
n = fread(buffer + nRead, 1, fileLen - nRead, file);
if (ferror(file)) {
sprintf(symbol->errtxt, "241: Input file read error (%.30s)", strerror(errno));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA);
symbol->err_origin = 234;
sprintf(symbol->errtxt, _("Input file read error (%.30s)"), strerror(errno));
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_DATA, symbol->err_origin);
if (strcmp(filename, "-")) {
fclose(file);
}