scdoc/src/util.c -rw-r--r-- 1.4 KiB View raw
                                                                                
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#include <stdarg.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include "unicode.h"
#include "util.h"

void parser_fatal(struct parser *parser, const char *err) {
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fprintf(stderr, "Error at %d:%d: %s\n", parser->line, parser->col, err); fclose(parser->input); fclose(parser->output); exit(1); } uint32_t parser_getch(struct parser *parser) {
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if (parser->qhead) { return parser->queue[--parser->qhead]; } if (parser->str) { uint32_t ch = utf8_decode(&parser->str); if (!ch || ch == UTF8_INVALID) { parser->str = NULL; return UTF8_INVALID; } return ch; } uint32_t ch = utf8_fgetch(parser->input); if (ch == '\n') { parser->col = 0; ++parser->line; } else { ++parser->col; } return ch; } void parser_pushch(struct parser *parser, uint32_t ch) {
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if (ch != UTF8_INVALID) { parser->queue[parser->qhead++] = ch; } } void parser_pushstr(struct parser *parser, const char *str) {
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parser->str = str; } int roff_macro(struct parser *p, char *cmd, ...) {
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FILE *f = p->output; int l = fprintf(f, ".%s", cmd); va_list ap; va_start(ap, cmd); const char *arg; while ((arg = va_arg(ap, const char *))) { fputc(' ', f); fputc('"', f); while (*arg) { uint32_t ch = utf8_decode(&arg); if (ch == '"') { fputc('\\', f); ++l; } l += utf8_fputch(f, ch); } fputc('"', f); l += 3; } va_end(ap); fputc('\n', f); return l + 1; }