ref: 46bff4d5c16fdc4716f6a2590acd374b2a5f547f
dir: /font.c/
#include <stdio.h> #include <stdlib.h> #include <string.h> #include "xroff.h" static void skipline(FILE* filp) { int c; do { c = getc(filp); } while (c != '\n' && c != EOF); } struct glyph *font_find(struct font *fn, char *name) { int i; for (i = 0; i < fn->n; i++) if (!strcmp(name, fn->c[i])) return fn->g[i]; return NULL; } struct glyph *font_glyph(struct font *fn, char *id) { int i; for (i = 0; i < fn->nglyphs; i++) if (!strcmp(fn->glyphs[i].id, id)) return &fn->glyphs[i]; return NULL; } static void font_charset(struct font *fn, FILE *fin) { char tok[ILNLEN]; char name[ILNLEN]; char id[ILNLEN]; struct glyph *glyph = NULL; struct glyph *prev = NULL; int wid, type; while (1) { if (fscanf(fin, "%s", name) != 1) break; fscanf(fin, "%s", tok); glyph = prev; if (strcmp("\"", tok)) { wid = atoi(tok); fscanf(fin, "%d %s", &type, id); skipline(fin); glyph = &fn->glyphs[fn->nglyphs++]; strcpy(glyph->id, id); strcpy(glyph->name, name); glyph->wid = wid; glyph->type = type; glyph->font = fn; } prev = glyph; strcpy(fn->c[fn->n], name); fn->g[fn->n] = glyph; fn->n++; } } struct font *font_open(char *path) { struct font *fn = malloc(sizeof(*fn)); char tok[ILNLEN]; FILE *fin; fin = fopen(path, "r"); memset(fn, 0, sizeof(*fn)); while (fscanf(fin, "%s", tok) == 1) { if (tok[0] == '#') { skipline(fin); continue; } if (!strcmp("spacewidth", tok)) { fscanf(fin, "%d", &fn->spacewid); continue; } if (!strcmp("special", tok)) { fn->special = 1; continue; } if (!strcmp("name", tok)) { fscanf(fin, "%s", fn->name); continue; } if (!strcmp("fontname", tok)) { skipline(fin); continue; } if (!strcmp("named", tok)) { skipline(fin); continue; } if (!strcmp("ligatures", tok)) { while (fscanf(fin, "%s", tok) == 1) if (!strcmp("0", tok)) break; skipline(fin); continue; } if (!strcmp("charset", tok)) { font_charset(fn, fin); break; } } fclose(fin); return fn; } void font_close(struct font *fn) { free(fn); }