QString HoedownMarkdownConverter::renderAsTableOfContents(MarkdownDocument *document)
{
QString toc;
if (document) {
HoedownMarkdownDocument *doc = dynamic_cast<HoedownMarkdownDocument*>(document);
if (doc->document()) {
hoedown_buffer *in = doc->document();
hoedown_buffer *out = hoedown_buffer_new(64);
hoedown_renderer *renderer = hoedown_html_toc_renderer_new(16);
hoedown_markdown *markdown = hoedown_markdown_new(doc->options(), 16, renderer);
hoedown_markdown_render(out, in->data, in->size, markdown);
hoedown_markdown_free(markdown);
hoedown_html_renderer_free(renderer);
toc = QString::fromUtf8(hoedown_buffer_cstr(out));
hoedown_buffer_free(out);
}
}
return toc;
}
int
main(int argc, char **argv)
{
int show_time = 0;
//struct timespec start, end;
/* buffers */
hoedown_buffer *ib, *ob;
size_t iunit = DEF_IUNIT, ounit = DEF_OUNIT;
/* files */
FILE *in = NULL;
/* renderer */
int toc_level = 0;
int renderer_type = RENDERER_HTML;
/* document */
hoedown_document *document;
unsigned int extensions = 0;
size_t max_nesting = DEF_MAX_NESTING;
/* HTML renderer-specific */
unsigned int html_flags = 0;
/* option parsing */
int just_args = 0;
int i, j;
for (i = 1; i < argc; i++) {
char *arg = argv[i];
if (!arg[0]) continue;
if (just_args || arg[0] != '-') {
/* regular argument */
in = fopen(arg, "r");
if (!in) {
fprintf(stderr, "Unable to open input file \"%s\": %s\n", arg, strerror(errno));
return 5;
}
continue;
}
if (!arg[1]) {
/* arg is "-" */
in = stdin;
continue;
}
if (arg[1] != '-') {
/* parse short options */
char opt;
const char *val;
for (j = 1; (opt = arg[j]); j++) {
if (opt == 'h') {
print_help(argv[0]);
return 1;
}
if (opt == 'v') {
print_version();
return 1;
}
if (opt == 'T') {
show_time = 1;
continue;
}
/* options requiring value */
if (arg[++j]) val = arg+j;
else if (argv[++i]) val = argv[i];
else {
fprintf(stderr, "Wrong option '-%c' found.\n", opt);
return 1;
}
long int num;
int isNum = parseint(val, &num);
if (opt == 'n' && isNum) {
max_nesting = num;
break;
}
if (opt == 't' && isNum) {
toc_level = num;
break;
}
if (opt == 'i' && isNum) {
iunit = num;
break;
}
if (opt == 'o' && isNum) {
ounit = num;
break;
}
fprintf(stderr, "Wrong option '-%c' found.\n", opt);
return 1;
}
continue;
}
if (!arg[2]) {
/* arg is "--" */
just_args = 1;
continue;
}
/* parse long option */
char opt [100];
strncpy(opt, arg+2, 100);
opt[99] = 0;
char *val = strchr(opt, '=');
long int num = 0;
int isNum = 0;
if (val) {
*val = 0;
val++;
if (*val)
isNum = parseint(val, &num);
}
int opt_parsed = 0;
if (strcmp(opt, "help")==0) {
print_help(argv[0]);
return 1;
}
if (strcmp(opt, "version")==0) {
print_version();
return 1;
}
if (strcmp(opt, "max-nesting")==0 && isNum) {
opt_parsed = 1;
max_nesting = num;
}
if (strcmp(opt, "toc-level")==0 && isNum) {
opt_parsed = 1;
toc_level = num;
}
if (strcmp(opt, "input-unit")==0 && isNum) {
opt_parsed = 1;
iunit = num;
}
if (strcmp(opt, "output-unit")==0 && isNum) {
opt_parsed = 1;
ounit = num;
}
if (strcmp(opt, "html")==0) {
opt_parsed = 1;
renderer_type = RENDERER_HTML;
}
if (strcmp(opt, "html-toc")==0) {
opt_parsed = 1;
renderer_type = RENDERER_HTML_TOC;
}
if (strcmp(opt, "null")==0) {
opt_parsed = 1;
renderer_type = RENDERER_NULL;
}
const char *name;
size_t i;
/* extension categories */
if ((name = strprefix(opt, category_prefix))) {
for (i = 0; i < count_of(categories_info); i++) {
struct extension_category_info *category = categories_info+i;
if (strcmp(name, category->option_name)==0) {
opt_parsed = 1;
extensions |= category->flags;
break;
}
}
}
/* extensions */
for (i = 0; i < count_of(extensions_info); i++) {
struct extension_info *extension = extensions_info+i;
if (strcmp(opt, extension->option_name)==0) {
opt_parsed = 1;
extensions |= extension->flag;
break;
}
}
/* html flags */
for (i = 0; i < count_of(html_flags_info); i++) {
struct html_flag_info *html_flag = html_flags_info+i;
if (strcmp(opt, html_flag->option_name)==0) {
opt_parsed = 1;
html_flags |= html_flag->flag;
break;
}
}
/* negations */
if ((name = strprefix(opt, negative_prefix))) {
for (i = 0; i < count_of(categories_info); i++) {
struct extension_category_info *category = categories_info+i;
if (strcmp(name, category->option_name)==0) {
opt_parsed = 1;
extensions &= ~(category->flags);
break;
}
}
for (i = 0; i < count_of(extensions_info); i++) {
struct extension_info *extension = extensions_info+i;
if (strcmp(name, extension->option_name)==0) {
opt_parsed = 1;
extensions &= ~(extension->flag);
break;
}
}
for (i = 0; i < count_of(html_flags_info); i++) {
struct html_flag_info *html_flag = html_flags_info+i;
if (strcmp(name, html_flag->option_name)==0) {
opt_parsed = 1;
html_flags &= ~(html_flag->flag);
break;
}
}
}
if (strcmp(opt, "time")==0) {
opt_parsed = 1;
show_time = 1;
}
if (!opt_parsed) {
fprintf(stderr, "Wrong option '%s' found.\n", arg);
return 1;
}
}
if (!in)
in = stdin;
/* reading everything */
ib = hoedown_buffer_new(iunit);
while (!feof(in)) {
if (ferror(in)) {
fprintf(stderr, "I/O errors found while reading input.\n");
return 5;
}
hoedown_buffer_grow(ib, ib->size + iunit);
ib->size += fread(ib->data + ib->size, 1, iunit, in);
}
if (in != stdin)
fclose(in);
/* creating the renderer */
hoedown_renderer *renderer = NULL;
void (*renderer_free)(hoedown_renderer*) = NULL;
switch (renderer_type) {
case RENDERER_HTML:
renderer = hoedown_html_renderer_new(html_flags, toc_level);
renderer_free = hoedown_html_renderer_free;
break;
case RENDERER_HTML_TOC:
renderer = hoedown_html_toc_renderer_new(toc_level);
renderer_free = hoedown_html_renderer_free;
break;
case RENDERER_NULL:
renderer = null_renderer_new();
renderer_free = null_renderer_free;
break;
};
/* performing markdown rendering */
ob = hoedown_buffer_new(ounit);
document = hoedown_document_new(renderer, extensions, max_nesting);
//clock_gettime(CLOCK_MONOTONIC, &start);
hoedown_document_render(document, ob, ib->data, ib->size);
//clock_gettime(CLOCK_MONOTONIC, &end);
/* writing the result to stdout */
(void)fwrite(ob->data, 1, ob->size, stdout);
/* showing rendering time */
if (show_time) {
//TODO: enable this
//long long elapsed = ( end.tv_sec*1000000000 + end.tv_nsec)
// - (start.tv_sec*1000000000 + start.tv_nsec);
//if (elapsed < 1000000000)
// fprintf(stderr, "Time spent on rendering: %.2f ms.\n", ((double)elapsed)/1000000);
//else
// fprintf(stderr, "Time spent on rendering: %.3f s.\n", ((double)elapsed)/1000000000);
}
/* cleanup */
hoedown_buffer_free(ib);
hoedown_buffer_free(ob);
hoedown_document_free(document);
renderer_free(renderer);
if (ferror(stdout)) {
fprintf(stderr, "I/O errors found while writing output.\n");
return 5;
}
return 0;
}
int
main(int argc, char **argv)
{
struct option_data data;
clock_t t1, t2;
FILE *file = stdin;
hoedown_buffer *ib, *ob, *meta;
hoedown_renderer *renderer = NULL;
void (*renderer_free)(hoedown_renderer *) = NULL;
hoedown_document *document;
/* Parse options */
data.basename = argv[0];
data.done = 0;
data.show_time = 0;
data.iunit = DEF_IUNIT;
data.ounit = DEF_OUNIT;
data.filename = NULL;
data.renderer = RENDERER_HTML;
data.toc_level = 0;
data.html_flags = 0;
data.extensions = 0;
data.max_nesting = DEF_MAX_NESTING;
data.link_attributes = 0;
argc = parse_options(argc, argv, parse_short_option, parse_long_option, parse_argument, &data);
if (data.done) return 0;
if (!argc) return 1;
/* Add extesion flags, case html_flags */
if (data.html_flags & HOEDOWN_HTML_FENCED_CODE_SCRIPT) {
data.extensions |= HOEDOWN_EXT_FENCED_CODE;
}
/* Open input file, if needed */
if (data.filename) {
file = fopen(data.filename, "r");
if (!file) {
fprintf(stderr, "Unable to open input file \"%s\": %s\n", data.filename, strerror(errno));
return 5;
}
}
/* Read everything */
ib = hoedown_buffer_new(data.iunit);
if (hoedown_buffer_putf(ib, file)) {
fprintf(stderr, "I/O errors found while reading input.\n");
return 5;
}
if (file != stdin) fclose(file);
/* Create the renderer */
switch (data.renderer) {
case RENDERER_HTML:
renderer = hoedown_html_renderer_new(data.html_flags, data.toc_level);
renderer_free = hoedown_html_renderer_free;
break;
case RENDERER_HTML_TOC:
renderer = hoedown_html_toc_renderer_new(data.toc_level);
renderer_free = hoedown_html_renderer_free;
break;
case RENDERER_CONTEXT_TEST:
renderer = hoedown_context_test_renderer_new();
renderer_free = hoedown_context_test_renderer_free;
break;
};
/* Perform Markdown rendering */
ob = hoedown_buffer_new(data.ounit);
meta = hoedown_buffer_new(data.ounit);
document = hoedown_document_new(renderer, data.extensions, data.max_nesting, NULL, meta);
/* state */
if (data.renderer == RENDERER_CONTEXT_TEST) {
hoedown_context_test_renderer_state *state;
state = (hoedown_context_test_renderer_state *)renderer->opaque;
state->doc = document;
} else {
hoedown_html_renderer_state *state;
state = (hoedown_html_renderer_state *)renderer->opaque;
/* toc_data */
if (data.toc_level > 0) {
state->toc_data.current_level = 0;
state->toc_data.level_offset = 0;
state->toc_data.nesting_level = data.toc_level;
state->toc_data.header = "<div class=\"toc\">";
state->toc_data.footer = "</div>";
}
/* link_attributes */
if (data.link_attributes) {
state->link_attributes = rndr_test_link_attributes;
}
}
t1 = clock();
hoedown_document_render(document, ob, ib->data, ib->size);
t2 = clock();
/* Cleanup */
hoedown_buffer_free(ib);
hoedown_document_free(document);
renderer_free(renderer);
/* Write the result to stdout */
(void)fwrite(ob->data, 1, ob->size, stdout);
hoedown_buffer_free(ob);
if (ferror(stdout)) {
hoedown_buffer_free(meta);
fprintf(stderr, "I/O errors found while writing output.\n");
return 5;
}
/* Meta block */
if (meta->size > 0) {
fprintf(stdout, "-- Meta Block --\n");
(void)fwrite(meta->data, 1, meta->size, stdout);
}
hoedown_buffer_free(meta);
if (ferror(stdout)) {
fprintf(stderr, "I/O errors found while writing output.\n");
return 5;
}
/* Show rendering time */
if (data.show_time) {
double elapsed;
if (t1 == ((clock_t) -1) || t2 == ((clock_t) -1)) {
fprintf(stderr, "Failed to get the time.\n");
return 1;
}
elapsed = (double)(t2 - t1) / CLOCKS_PER_SEC;
if (elapsed < 1)
fprintf(stderr, "Time spent on rendering: %7.2f ms.\n", elapsed*1e3);
else
fprintf(stderr, "Time spent on rendering: %6.3f s.\n", elapsed);
}
return 0;
}
