diff options
Diffstat (limited to 'src/text.c')
| -rw-r--r-- | src/text.c | 57 |
1 files changed, 54 insertions, 3 deletions
@@ -11,11 +11,62 @@ #include "vector.h" #include "text.h" +static inline unsigned int utf8_char_len(unsigned char c) +{ + if (c > 0x00 && c < 0xC0) + return 1; + else if (c >= 0xC2 && c < 0xE0) + return 2; + else if (c >= 0xE0 && c < 0xF0) + return 3; + else if (c >= 0xF0 && c < 0xF5) + return 4; + else + return 0; +} + +unsigned long utf8_strlen(void *string) +{ + unsigned long len = 0, keep = 0; + for (unsigned char *c = string; *c; (keep ? --keep : ++len), ++c) + if (!keep) + keep = (keep = utf8_char_len(*c)) ? keep - 1 : keep; + return len; +} + +void utf8to32_strcpy(wchar_t *dest, char *src) +{ + wchar_t *dc = dest; + char *c = src; + unsigned long len = 0; + while (*c) { + int clen = utf8_char_len(*c); + if (clen == 1) { + dc[len] = c[0] & 0x7f; + c += 1; + } else if (clen == 2) { + dc[len] = ((c[0] & 0x1f) << 6) | ((c[1] & 0x3f) << 0); + c += 2; + } else if (clen == 3) { + dc[len] = ((c[0] & 0x0f) << 12) | ((c[1] & 0x3f) << 6) | ((c[2] & 0x3f) << 0); + c += 3; + } else if (clen == 4) { + dc[len] = ((c[0] & 0x07) << 18) | ((c[1] & 0x3f) << 12) | ((c[2] & 0x3f) << 6) | ((c[3] & 0x3f) << 0); + c += 4; + } else { + dc[len] = 0; + return; + } + ++len; + } + dc[len] = 0; +} + static FILE *openFile(char *filename) { FILE *file; if (!(file = fopen(filename, "rb"))){ - printf("ERROR: fild \"%s\"cannot be opened\n", filename); + printf("ERROR: file \"%s\"cannot be opened\n", filename); exit(EXIT_FAILURE); } return file; @@ -65,8 +116,8 @@ struct idlist *load_texts(char *filename) text->scene = malloc(sizeof(char) * (strlen((char *)ev.data.scalar.value) + 1)); strcpy(text->scene, (char *)ev.data.scalar.value); } else if (!strcmp((char *)event.data.scalar.value, "text")) { - text->text = malloc(sizeof(char) * (strlen((char *)ev.data.scalar.value) + 1)); - strcpy(text->text, (char *)ev.data.scalar.value); + text->text = calloc((utf8_strlen(ev.data.scalar.value)) + 1, sizeof(unsigned int)); + utf8to32_strcpy(text->text, (char *)ev.data.scalar.value); } else if (!strcmp((char *)event.data.scalar.value, "font")) { text->font = malloc(sizeof(char) * (strlen((char *)ev.data.scalar.value) + 1)); strcpy(text->font, (char *)ev.data.scalar.value); |