void mdRenderer::render(const QString markdownText)
{
if(markdownText.isEmpty())
{
html ="";
return;
}
QByteArray utf8Data = markdownText.toUtf8();
hoedown_buffer *doc = hoedown_buffer_new(utf8Data.length());
hoedown_buffer_puts(doc, utf8Data.data());
hoedown_buffer *out = hoedown_buffer_new(64);
hoedown_renderer *renderer = hoedown_html_renderer_new(0, 16);
hoedown_markdown *markdown = hoedown_markdown_new(0, 16, renderer);
hoedown_markdown_render(out, doc->data, doc->size, markdown);
hoedown_markdown_free(markdown);
hoedown_html_renderer_free(renderer);
html = QString::fromUtf8(hoedown_buffer_cstr(out));
hoedown_buffer_free(out);
html="<!DOCTYPE html> <html> <head> <style type=\"text/css\">"+
style+
"</style>"+
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">"+
"</head> <body>"+
html+
"</body> </html>";
}
JNIEXPORT jstring JNICALL Java_com_commonsware_cwac_anddown_AndDown_markdownToHtml
(JNIEnv *env, jobject o, jstring raw) {
struct hoedown_buffer *ib, *ob;
jstring result;
hoedown_renderer *renderer;
hoedown_markdown *markdown;
const char* str;
str = (*env)->GetStringUTFChars(env, raw, NULL);
ib = hoedown_buffer_new(INPUT_UNIT);
hoedown_buffer_puts(ib, str);
ob = hoedown_buffer_new(OUTPUT_UNIT);
(*env)->ReleaseStringUTFChars(env, raw, str);
renderer = hoedown_html_renderer_new(0, 0);
markdown = hoedown_markdown_new(0, 16, renderer);
hoedown_markdown_render(ob, ib->data, ib->size, markdown);
hoedown_markdown_free(markdown);
result=(*env)->NewStringUTF(env, hoedown_buffer_cstr(ob));
/* cleanup */
hoedown_buffer_free(ib);
hoedown_buffer_free(ob);
return(result);
}
// rndr_blockcode from HEAD. The "language-" prefix in class in needed to make
// the HTML compatible with Prism.
void hoedown_patch_render_blockcode(
hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang,
const hoedown_renderer_data *data)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
hoedown_html_renderer_state *state = data->opaque;
hoedown_buffer *front = NULL;
hoedown_buffer *back = NULL;
if (lang && USE_BLOCKCODE_INFORMATION(state))
{
front = hoedown_buffer_new(lang->size);
back = hoedown_buffer_new(lang->size);
hoedown_buffer *current = front;
for (size_t i = 0; i < lang->size; i++)
{
uint8_t c = lang->data[i];
if (current == front && c == ':')
current = back;
else
hoedown_buffer_putc(current, c);
}
lang = front;
}
HOEDOWN_BUFPUTSL(ob, "<pre");
if (state->flags & HOEDOWN_HTML_BLOCKCODE_LINE_NUMBERS)
HOEDOWN_BUFPUTSL(ob, " class=\"line-numbers\"");
if (back && back->size)
{
HOEDOWN_BUFPUTSL(ob, " data-information=\"");
hoedown_buffer_put(ob, back->data, back->size);
HOEDOWN_BUFPUTSL(ob, "\"");
}
HOEDOWN_BUFPUTSL(ob, "><code class=\"language-");
if (lang && lang->size)
hoedown_escape_html(ob, lang->data, lang->size, 0);
else
HOEDOWN_BUFPUTSL(ob, "none");
HOEDOWN_BUFPUTSL(ob, "\">");
if (text)
{
// Remove last newline to prevent prism from adding a blank line at the
// end of code blocks.
size_t size = text->size;
if (size > 0 && text->data[size - 1] == '\n')
size--;
hoedown_escape_html(ob, text->data, size, 0);
}
HOEDOWN_BUFPUTSL(ob, "</code></pre>\n");
hoedown_buffer_free(front);
hoedown_buffer_free(back);
}
QString Markdown::parseMarkdown(QString input) {
if (input == "") input.append(" ");
hoedown_buffer *ib, *ob;
size_t iunit = DEF_IUNIT, ounit = DEF_OUNIT;
hoedown_document *document;
hoedown_extensions extensions;
size_t max_nesting = DEF_MAX_NESTING;
hoedown_renderer *renderer = NULL;
void (*renderer_free)(hoedown_renderer*) = NULL;
hoedown_html_flags html_flags;
int toc_level = 0;
html_flags = HOEDOWN_HTML_HARD_WRAP;
extensions = HOEDOWN_EXT_QUOTE;
renderer = hoedown_html_renderer_new(html_flags, toc_level);
renderer_free = hoedown_html_renderer_free;
ib = hoedown_buffer_new(iunit);
// reading input
std::string stdStringInput = input.toUtf8().constData();
unsigned char* charInput = (unsigned char *)stdStringInput.c_str();
ib->data = charInput + ib->size;
ib->size = strlen((char*)charInput);
// eori
ob = hoedown_buffer_new(ounit);
document = hoedown_document_new(renderer, extensions, max_nesting);
hoedown_document_render(document, ob, ib->data, ib->size);
std::string outputStdString = (char*) ob->data;
// this is for trimming output buffer
outputStdString.erase(ob->size, outputStdString.length());
hoedown_document_free(document);
hoedown_buffer_free(ob);
renderer_free(renderer);
//free(ib);
QString output = QString::fromStdString(outputStdString);
return output;
}
// Converts markdown to html
QString
Markdown::convert2html(const QString& markdown)
{
QString html;
if ( !markdown.isEmpty() ) {
QString markdownClean = parseCustomLinksForHTML(markdown);
hoedown_html_flags flags = HOEDOWN_HTML_USE_XHTML;
hoedown_extensions extensions = (hoedown_extensions)(HOEDOWN_EXT_BLOCK|HOEDOWN_EXT_SPAN|HOEDOWN_EXT_FLAGS);
size_t max_nesting = 16;
hoedown_renderer *renderer = hoedown_html_renderer_new(flags, 0);
hoedown_document *document = hoedown_document_new(renderer, extensions, max_nesting);
hoedown_buffer *result = hoedown_buffer_new(max_nesting);
std::string markdownStr = markdownClean.toStdString();
hoedown_document_render( document, result, reinterpret_cast<const uint8_t*>(&markdownStr[0]), markdownStr.size() );
std::ostringstream convert;
for (size_t x = 0; x < result->size; x++) {
convert << result->data[x];
}
html = QString::fromStdString( convert.str() );
hoedown_buffer_free(result);
hoedown_document_free(document);
hoedown_html_renderer_free(renderer);
}
return html;
}
//
// return html rendered markdown of note text
//
QString Note::toMarkdownHtml() {
hoedown_renderer *renderer = hoedown_html_renderer_new( HOEDOWN_HTML_USE_XHTML, 16 );
hoedown_document *document = hoedown_document_new(renderer, (hoedown_extensions) HOEDOWN_EXT_SPAN, 16);
QString str = this->noteText;
unsigned char *sequence = (unsigned char*)qstrdup( str.toUtf8().constData() );
int length = strlen( (char*) sequence );
// return an empty string if the note is empty
if ( length == 0 )
{
return "";
}
hoedown_buffer *html = hoedown_buffer_new( length );
// render markdown html
hoedown_document_render( document, html, sequence, length );
// get markdown html
QString result = QString::fromUtf8( (char*) html->data, html->size );
/* Cleanup */
free(sequence);
hoedown_buffer_free(html);
hoedown_document_free(document);
hoedown_html_renderer_free(renderer);
return result;
}
QString HoedownMarkdownConverter::renderAsHtml(MarkdownDocument *document)
{
QString html;
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_renderer_new(0, 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);
html = QString::fromUtf8(hoedown_buffer_cstr(out));
hoedown_buffer_free(out);
}
}
return html;
}
char*
OxMarkDownToHtml(char* sMarkDown)
{
hoedown_renderer *renderer;
hoedown_document *document;
hoedown_buffer *buffer;
unsigned int extensions = 0, render_flags = 0;
const uint8_t *sHtml;
renderer = hoedown_html_renderer_new(render_flags, 0);
document = hoedown_document_new(renderer, extensions, 16);
buffer = hoedown_buffer_new(16);
hoedown_document_render(document, buffer, (const uint8_t *)sMarkDown, strlen(sMarkDown));
sHtml = (char*)OxAllocate(buffer->size + 1);
StringCchCopyA(sHtml, buffer->size + 1, buffer->data);
hoedown_buffer_reset(buffer);
hoedown_html_smartypants(buffer, sHtml, buffer->size);
hoedown_buffer_free(buffer);
hoedown_document_free(document);
hoedown_html_renderer_free(renderer);
return sHtml;
}
int
main(int argc, char **argv)
{
struct hoedown_buffer *ib, *ob;
FILE *in = stdin;
struct hoedown_callbacks callbacks;
struct hoedown_html_renderopt options;
struct hoedown_markdown *markdown;
/* opening the file if given from the command line */
if (argc > 1) {
in = fopen(argv[1], "r");
if (!in) {
fprintf(stderr, "Unable to open input file \"%s\": %s\n", argv[1], strerror(errno));
return 1;
}
}
/* reading everything */
ib = hoedown_buffer_new(READ_UNIT);
while (!feof(in) && !ferror(in)) {
hoedown_buffer_grow(ib, ib->size + READ_UNIT);
ib->size += fread(ib->data + ib->size, 1, READ_UNIT, in);
}
if (in != stdin)
fclose(in);
/* performing markdown parsing */
ob = hoedown_buffer_new(OUTPUT_UNIT);
hoedown_html_renderer(&callbacks, &options, 0, 0);
markdown = hoedown_markdown_new(0, 16, &callbacks, &options);
hoedown_markdown_render(ob, ib->data, ib->size, markdown);
hoedown_markdown_free(markdown);
/* writing the result to stdout */
(void)fwrite(ob->data, 1, ob->size, stdout);
/* cleanup */
hoedown_buffer_free(ib);
hoedown_buffer_free(ob);
return ferror(stdout);
}
static void
rndr_footnote_ref_def(hoedown_buffer *orig, const hoedown_renderer_data *data)
{
/* this is a little dirty, but it is simpler than maintaining this state in the renderer */
hoedown_buffer *copy;
copy = hoedown_buffer_new(64);
hoedown_buffer_grow(copy, orig->size);
memcpy(copy->data, orig->data, orig->size);
copy->size = orig->size;
printf("Footnote Reference Definition: %s\n", hoedown_buffer_cstr(copy));
hoedown_buffer_free(copy);
}
MarkdownDocument *HoedownMarkdownConverter::createDocument(const QString &text, ConverterOptions options)
{
hoedown_buffer *doc = 0;
if (text.length() > 0) {
QString markdownText(text);
QByteArray utf8Data = markdownText.toUtf8();
doc = hoedown_buffer_new(utf8Data.length());
hoedown_buffer_puts(doc, utf8Data.data());
}
return new HoedownMarkdownDocument(doc, translateConverterOptions(options));
}
Preview::Preview(QSize sz)
{
AppContext* context = AppContext::getContext();
if (sz.width() && sz.height())
{
this->setGeometry(QRect(0, 0, sz.width(), sz.height()));
}
else
{
this->setGeometry(QRect(0, 0, context->screenSize.width() / 3, context->screenSize.height() / 3 * 2));
}
mainLayout = new QVBoxLayout;
webView = new QWebView;
webView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
webView->settings()->setAttribute(QWebSettings::JavascriptEnabled, false);
connect(webView, SIGNAL(linkClicked(const QUrl&)), this, SLOT(openUrl(const QUrl&)));
mainLayout->addWidget(webView);
this->setLayout(mainLayout);
webView->setHtml(QString(""));
render = hoedown_html_renderer_new(HOEDOWN_HTML_USE_XHTML, 0);
document = hoedown_document_new(render, HOEDOWN_EXT_TABLES | HOEDOWN_EXT_FENCED_CODE | HOEDOWN_EXT_HIGHLIGHT, 16);
buf = hoedown_buffer_new(10 * 1024 * 1024);
timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(refresh()));
timer->start(5000);
needRefresh = false;
loadCSS();
}
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;
}
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;
}
QByteArray HoedownMarkdownConverterPrivate::markdown2Html(const QByteArray &markdownText) const {
int markdownLength = markdownText.size();
if(markdownLength == 0) {
return QByteArray("");
}
hoedown_buffer *ib, *ob;
hoedown_renderer *renderer = NULL;
hoedown_document *document;
// malloc
ob = hoedown_buffer_new(markdownLength);
ib = hoedown_buffer_new(markdownLength);
renderer = hoedown_html_renderer_new(HOEDOWN_HTML_USE_XHTML, 0);
/*
typedef enum hoedown_extensions {
// block-level extensions
HOEDOWN_EXT_TABLES = (1 << 0),
HOEDOWN_EXT_FENCED_CODE = (1 << 1),
HOEDOWN_EXT_FOOTNOTES = (1 << 2),
// span-level extensions
HOEDOWN_EXT_AUTOLINK = (1 << 3),
HOEDOWN_EXT_STRIKETHROUGH = (1 << 4),
HOEDOWN_EXT_UNDERLINE = (1 << 5),
HOEDOWN_EXT_HIGHLIGHT = (1 << 6),
HOEDOWN_EXT_QUOTE = (1 << 7),
HOEDOWN_EXT_SUPERSCRIPT = (1 << 8),
HOEDOWN_EXT_MATH = (1 << 9),
// other flags
HOEDOWN_EXT_NO_INTRA_EMPHASIS = (1 << 11),
HOEDOWN_EXT_SPACE_HEADERS = (1 << 12),
HOEDOWN_EXT_MATH_EXPLICIT = (1 << 13),
// negative flags
HOEDOWN_EXT_DISABLE_INDENTED_CODE = (1 << 14)
} hoedown_extensions;
*/
// 尽可能的指定
document = hoedown_document_new(renderer, HOEDOWN_EXT_TABLES, 16);
// put data
hoedown_buffer_put(ib, (const uint8_t *) markdownText.toStdString().c_str(), markdownText.size());
// render markdown to html
hoedown_document_render(document, ob, ib->data, ib->size);
QByteArray html((const char*)ob->data, ob->size);
// free
hoedown_buffer_free(ib);
hoedown_document_free(document);
hoedown_html_renderer_free(renderer);
hoedown_buffer_free(ob);
return html;
}
/**
* @brief Returns html rendered markdown of the note text
* @param notesPath for transforming relative local urls to absolute ones
* @param maxImageWidth defined maximum image width (ignored if forExport is true)
* @param forExport defines whether the export or preview stylesheet
* @return
*/
QString Note::toMarkdownHtml(QString notesPath, int maxImageWidth, bool forExport) {
hoedown_renderer *renderer =
hoedown_html_renderer_new(HOEDOWN_HTML_USE_XHTML, 16);
hoedown_extensions extensions =
(hoedown_extensions) (HOEDOWN_EXT_BLOCK | HOEDOWN_EXT_SPAN);
hoedown_document *document = hoedown_document_new(renderer, extensions, 16);
// get the decrypted note text (or the normal note text if there isn't any)
QString str = getDecryptedNoteText();
QString windowsSlash = "";
#ifdef Q_OS_WIN32
// we need an other slash for Windows
windowsSlash = "/";
#endif
// parse for relative file urls and make them absolute
// (for example to show images under the note path)
str.replace(
QRegularExpression("\\(file:\\/\\/([^\\/].+)\\)"),
"(file://" + windowsSlash + notesPath + "/\\1)");
unsigned char *sequence = (unsigned char *) qstrdup(
str.toUtf8().constData());
qint64 length = strlen((char *) sequence);
// return an empty string if the note is empty
if (length == 0) {
return "";
}
hoedown_buffer *html = hoedown_buffer_new(length);
// render markdown html
hoedown_document_render(document, html, sequence, length);
// get markdown html
QString result = QString::fromUtf8((char *) html->data, html->size);
/* Cleanup */
free(sequence);
hoedown_buffer_free(html);
hoedown_document_free(document);
hoedown_html_renderer_free(renderer);
QSettings(settings);
QString fontString = settings.value("MainWindow/noteTextView.code.font")
.toString();
// set the stylesheet for the <code> blocks
QString codeStyleSheet = "";
if (fontString != "") {
// set the note text view font
QFont font;
font.fromString(fontString);
// add the font for the code block
codeStyleSheet = QString(
"pre, code { %1; }").arg(encodeCssFont(font));
}
bool darkModeColors = settings.value("darkModeColors").toBool();
QString codeBackgroundColor = darkModeColors ? "#444444" : "#f1f1f1";
// do some more code formatting
codeStyleSheet += QString(
"pre, code { padding: 16px; overflow: auto;"
" line-height: 1.45em; background-color: %1;"
" border-radius: 3px; }").arg(codeBackgroundColor);
// remove double code blocks
result.replace("<pre><code>", "<pre>")
.replace("</code></pre>", "</pre>");
if (forExport) {
// get defined body font from settings
QString bodyfontString = settings.value("MainWindow/noteTextView.font")
.toString();
// create export stylesheet
QString exportStyleSheet = "";
if (bodyfontString != "") {
QFont bodyFont;
bodyFont.fromString(bodyfontString);
exportStyleSheet = QString(
"body { %1; }").arg(encodeCssFont(bodyFont));
}
result = QString("<html><head><meta charset=\"utf-8\"/><style>"
"h1 { margin: 5px 0 20px 0; }"
"h2, h3 { margin: 10px 0 15px 0; }"
"img { max-width: 100%; }"
"a { color: #FF9137; text-decoration: none; } %1 %2"
"</style></head><body>%3</body></html>")
.arg(codeStyleSheet, exportStyleSheet, result);
} else {
// for preview
result = QString("<html><head><style>"
"h1 { margin: 5px 0 20px 0; }"
"h2, h3 { margin: 10px 0 15px 0; }"
"a { color: #FF9137; text-decoration: none; } %1"
"</style></head><body>%2</body></html>")
.arg(codeStyleSheet, result);
}
// check if width of embedded local images is too high
QRegularExpression re("<img src=\"file:\\/\\/([^\"]+)\"");
QRegularExpressionMatchIterator i = re.globalMatch(result);
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
QString fileName = match.captured(1);
#ifdef Q_OS_WIN
// remove the leading slash under Windows to get a more correct filename
QImage image(Utils::Misc::removeIfStartsWith(fileName, "/"));
#else
QImage image(fileName);
#endif
if (forExport) {
result.replace(
QRegularExpression("<img src=\"file:\\/\\/" +
QRegularExpression::escape(fileName) +
"\""),
QString("<img src=\"file://%2\"").arg(fileName));
} else {
// for preview
// cap the image width at 980px or the note text view width
if (image.width() > maxImageWidth) {
result.replace(
QRegularExpression("<img src=\"file:\\/\\/" +
QRegularExpression::escape(fileName) +
"\""),
QString("<img width=\"%1\" src=\"file://%2\"").arg(
QString::number(maxImageWidth), fileName));
}
}
}
// check if there is a script that wants to modify the content
QString scriptResult = ScriptingService::instance()
->callNoteToMarkdownHtmlHook(this, result);
if (!scriptResult.isEmpty()) {
result = scriptResult;
}
return result;
}
/**
* @brief Returns html rendered markdown of the note text
* @param notesPath for transforming relative local urls to absolute ones
* @return
*/
QString Note::toMarkdownHtml(QString notesPath) {
hoedown_renderer *renderer =
hoedown_html_renderer_new(HOEDOWN_HTML_USE_XHTML, 16);
hoedown_extensions extensions =
(hoedown_extensions) (HOEDOWN_EXT_BLOCK | HOEDOWN_EXT_SPAN);
hoedown_document *document = hoedown_document_new(renderer, extensions, 16);
// get the decrypted note text (or the normal note text if there isn't any)
QString str = getDecryptedNoteText();
QString windowsSlash = "";
#ifdef Q_OS_WIN32
// we need an other slash for Windows
windowsSlash = "/";
#endif
// parse for relative file urls and make them absolute
// (for example to show images under the note path)
str.replace(
QRegularExpression("\\(file:\\/\\/([^\\/].+)\\)"),
"(file://" + windowsSlash + notesPath + "/\\1)");
unsigned char *sequence = (unsigned char *) qstrdup(
str.toUtf8().constData());
qint64 length = strlen((char *) sequence);
// return an empty string if the note is empty
if (length == 0) {
return "";
}
hoedown_buffer *html = hoedown_buffer_new(length);
// render markdown html
hoedown_document_render(document, html, sequence, length);
// get markdown html
QString result = QString::fromUtf8((char *) html->data, html->size);
/* Cleanup */
free(sequence);
hoedown_buffer_free(html);
hoedown_document_free(document);
hoedown_html_renderer_free(renderer);
QSettings(settings);
QString fontString = settings.value("MainWindow/noteTextView.code.font")
.toString();
// set the stylesheet for the <code> blocks
QString codeStyleSheet = "";
if (fontString != "") {
// set the note text view font
QFont font;
font.fromString(fontString);
codeStyleSheet = "pre, code {" + encodeCssFont(font) + "}";
}
result = "<html><head>"
"<style>h1, h2, h3 { margin: 5pt 0 10pt 0; }"
"a { color: #FF9137; text-decoration: none; }" +
codeStyleSheet + "</style></head><body>" +
result + "</body></html>";
// check if width of embedded local images is too high
QRegularExpression re("<img src=\"file:\\/\\/([^\"]+)\"");
QRegularExpressionMatchIterator i = re.globalMatch(result);
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
QString fileName = match.captured(1);
QImage image(fileName);
// cap the image width at 980px
if (image.width() > 980) {
result.replace(
QRegularExpression("<img src=\"file:\\/\\/" +
QRegularExpression::escape(fileName) +
"\""),
"<img width=\"980\" src=\"file://" + fileName + "\"");
}
}
return result;
}
/**
* @brief Returns html rendered markdown of the note text
* @param notesPath for transforming relative local urls to absolute ones
* @return
*/
QString Note::toMarkdownHtml(QString notesPath) {
hoedown_renderer *renderer =
hoedown_html_renderer_new(HOEDOWN_HTML_USE_XHTML, 16);
hoedown_extensions extensions =
(hoedown_extensions) (HOEDOWN_EXT_BLOCK | HOEDOWN_EXT_SPAN);
hoedown_document *document = hoedown_document_new(renderer, extensions, 16);
// get the decrypted note text (or the normal note text if there isn't any)
QString str = getDecryptedNoteText();
// parse for relative file urls and make them absolute
// (for example to show images under the note path)
str.replace(
QRegularExpression("\\(file:\\/\\/([^\\/].+)\\)"),
"(file://" + notesPath + "/\\1)");
unsigned char *sequence = (unsigned char *) qstrdup(str.toUtf8().constData());
int length = strlen((char *) sequence);
// return an empty string if the note is empty
if (length == 0) {
return "";
}
hoedown_buffer *html = hoedown_buffer_new(length);
// render markdown html
hoedown_document_render(document, html, sequence, length);
// get markdown html
QString result = QString::fromUtf8((char *) html->data, html->size);
/* Cleanup */
free(sequence);
hoedown_buffer_free(html);
hoedown_document_free(document);
hoedown_html_renderer_free(renderer);
result =
"<html><head><style>h1, h2, h3 { margin: 5pt 0 10pt 0; }"
"a { color: #FF9137; text-decoration: none; }</style></head><body>" +
result + "</body></html>";
// check if width of embedded local images is too high
QRegularExpression re("<img src=\"file:\\/\\/([^\"]+)\"");
QRegularExpressionMatchIterator i = re.globalMatch(result);
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
QString fileName = match.captured(1);
QImage image(fileName);
// cap the image width at 980px
if (image.width() > 980) {
result.replace(
QRegularExpression("<img src=\"file:\\/\\/" + QRegularExpression::escape(fileName) + "\""),
"<img width=\"980\" src=\"file://" + fileName + "\"");
}
}
return result;
}