80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/*
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* Copyright (c) 2011, Vicent Marti
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "markdown.h"
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#include "html.h"
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#include "buffer.h"
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define READ_UNIT 1024
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#define OUTPUT_UNIT 64
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/* main • main function, interfacing STDIO with the parser */
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int
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main(int argc, char **argv)
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{
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struct buf *ib, *ob;
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int ret;
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FILE *in = stdin;
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struct sd_callbacks callbacks;
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struct html_renderopt options;
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struct sd_markdown *markdown;
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/* opening the file if given from the command line */
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if (argc > 1) {
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in = fopen(argv[1], "r");
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if (!in) {
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fprintf(stderr,"Unable to open input file \"%s\": %s\n", argv[1], strerror(errno));
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return 1;
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}
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}
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/* reading everything */
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ib = bufnew(READ_UNIT);
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bufgrow(ib, READ_UNIT);
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while ((ret = fread(ib->data + ib->size, 1, ib->asize - ib->size, in)) > 0) {
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ib->size += ret;
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bufgrow(ib, ib->size + READ_UNIT);
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}
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if (in != stdin)
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fclose(in);
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/* performing markdown parsing */
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ob = bufnew(OUTPUT_UNIT);
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sdhtml_renderer(&callbacks, &options, 0);
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markdown = sd_markdown_new(0, 16, &callbacks, &options);
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sd_markdown_render(ob, ib->data, ib->size, markdown);
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sd_markdown_free(markdown);
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/* writing the result to stdout */
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ret = fwrite(ob->data, 1, ob->size, stdout);
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/* cleanup */
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bufrelease(ib);
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bufrelease(ob);
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return (ret < 0) ? -1 : 0;
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}
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/* vim: set filetype=c: */
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