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mactext-md.cpp
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382 lines (277 loc) · 11 KB
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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/formats/markdown.h"
#include "graphics/macgui/mactext.h"
namespace Graphics {
#define PR(x) ((x && x->data) ? Common::toPrintable(Common::String((const char *)(x)->data , (x)->size)).c_str() : "(null)")
struct MDState {
Common::List<int> listNum;
uint32 linkr = 0, linkg = 0, linkb = 0;
};
void render_blockcode(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, const Common::SDDataBuffer *lang, void *opaque) {
if (!text)
return;
Common::String res = Common::String::format("\n\001\016+0001" "\001\016t%04x" "%s" "\001\016tffff" "\n\001\016-0001",
kMacFontMonaco, Common::String((const char *)text->data , text->size).c_str());
sd_bufput(ob, res.c_str(), res.size());
debug(1, "render_blockcode(%s, %s)", PR(text), PR(lang));
}
void render_blockquote(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text)
return;
warning("STUB: render_blockquote(%s)", PR(text));
}
void render_blockhtml(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text)
return;
warning("STUB: render_blockhtml(%s)", PR(text));
}
void render_header(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, int level, void *opaque) {
if (!text)
return;
debug(1, "render_header(%s)", PR(text));
Common::String res = Common::String::format("\001\016+00%01x0" "%s" "\001\016-00f0\n", level, Common::String((const char *)text->data , text->size).c_str());
sd_bufput(ob, res.c_str(), res.size());
}
void render_hrule(Common::SDDataBuffer *ob, void *opaque) {
warning("STUB: render_hrule()");
}
void render_list_start(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, int flags, void *opaque) {
MDState *mdstate = (MDState *)opaque;
mdstate->listNum.push_back(flags & MKD_LIST_ORDERED ? 1 : -1);
sd_bufput(ob, "\001\016+0001", 7);
debug(1, "render_list_start(%s, %d)", PR(text), flags);
}
void render_list(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, int flags, void *opaque) {
MDState *mdstate = (MDState *)opaque;
mdstate->listNum.pop_back();
sd_bufput(ob, text->data, text->size);
sd_bufput(ob, "\n\001\016-0001", 8);
debug(1, "render_list(%s, %d)", PR(text), flags);
}
void render_listitem(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, int flags, void *opaque) {
MDState *mdstate = (MDState *)opaque;
int listNum = mdstate->listNum.back();
Common::String prefix;
if (flags & MKD_LIST_ORDERED) {
prefix = Common::String::format("%d. ", listNum);
mdstate->listNum.back()++;
} else {
prefix = "* ";
}
Common::String res = Common::String::format("\001\016*%02x%s", prefix.size(), prefix.c_str());
sd_bufput(ob, res.c_str(), res.size());
sd_bufput(ob, prefix.c_str(), prefix.size());
sd_bufput(ob, text->data, text->size);
debug(1, "render_listitem(%s, %d)", PR(text), flags);
}
void render_paragraph(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text)
return;
debug(1, "render_paragraph(%s)", PR(text));
sd_bufput(ob, text->data, text->size);
sd_bufput(ob, "\n\n", 2);
}
void render_table(Common::SDDataBuffer *ob, const Common::SDDataBuffer *header, const Common::SDDataBuffer *body, void *opaque) {
if (!body)
return;
Common::String res = Common::String::format("\001\016Th" "%s" "\001\016Tb" "%s" "\001\016TB",
Common::String((const char *)header->data , header->size).c_str(), Common::String((const char *)body->data , body->size).c_str());
sd_bufput(ob, res.c_str(), res.size());
debug(1, "render_table(%s, %s)", PR(header), PR(body));
}
void render_table_row(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text)
return;
Common::String res = Common::String::format("\001\016Tr" "%s\n", Common::String((const char *)text->data , text->size).c_str());
sd_bufput(ob, res.c_str(), res.size());
debug(1, "render_table_row(%s)", PR(text));
}
void render_table_cell(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, int flags, void *opaque) {
if (!text)
return;
TextAlign align;
switch (flags) {
case Common::MKD_TABLE_ALIGN_R:
align = kTextAlignRight;
break;
case Common::MKD_TABLE_ALIGN_CENTER:
align = kTextAlignCenter;
break;
case Common::MKD_TABLE_ALIGN_L:
default:
align = kTextAlignLeft;
}
Common::String res = Common::String((const char *)text->data, text->size);
if (flags & Common::MKD_TABLE_HEADER)
res = Common::String::format("\001\016+%02x00" "%s" "\001\016-%02x00", kMacFontBold, res.c_str(), kMacFontBold);
res = Common::String::format("\001\016Tc%02x" "%s" "\001\016TC", align, res.c_str());
sd_bufput(ob, res.c_str(), res.size());
debug(1, "render_table_cell(%s), flags: %d", PR(text), flags);
}
int render_autolink(Common::SDDataBuffer *ob, const Common::SDDataBuffer *link, Common::MKDAutolink type, void *opaque) {
if (!link)
return 0;
warning("STUB: render_autolink(%s)", PR(link));
return 1;
}
int render_codespan(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text)
return 0;
Common::String res = Common::String::format("\001\016t%04x" "%s" "\001\016tffff",
kMacFontMonaco, Common::String((const char *)text->data , text->size).c_str());
sd_bufput(ob, res.c_str(), res.size());
debug(1, "render_codespan(%s)", PR(text));
return 1;
}
int render_double_emphasis(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text || !text->size)
return 0;
debug(1, "render_double_emphasis(%s)", PR(text));
Common::String res = Common::String::format("\001\016+%02x00" "%s" "\001\016-%02x00", kMacFontBold, Common::String((const char *)text->data , text->size).c_str(), kMacFontBold);
sd_bufput(ob, res.c_str(), res.size());
return 1;
}
int render_emphasis(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text || !text->size)
return 0;
debug(1, "render_emphasis(%s)", PR(text));
Common::String res = Common::String::format("\001\016+%02x00" "%s" "\001\016-%02x00", kMacFontItalic, Common::String((const char *)text->data , text->size).c_str(), kMacFontItalic);
sd_bufput(ob, res.c_str(), res.size());
return 1;
}
int render_image(Common::SDDataBuffer *ob, const Common::SDDataBuffer *link, const Common::SDDataBuffer *title, const Common::SDDataBuffer *alt, const Common::SDDataBuffer *ext, void *opaque) {
if (!link)
return 0;
Common::String res = Common::String::format("\001" "\016i%02x" "%02x%s",
80, (uint)link->size, Common::String((const char *)link->data, link->size).c_str());
if (alt) {
uint32 len = Common::U32String((const char *)alt->data, alt->size).size();
res += Common::String::format("%02x%s", len, Common::String((const char *)alt->data, alt->size).c_str());
} else {
res += "00";
}
if (title) {
uint32 len = Common::U32String((const char *)title->data, title->size).size();
res += Common::String::format("%02x%s", len, Common::String((const char *)title->data, title->size).c_str());
} else {
res += "00";
}
if (ext) {
uint32 len = Common::U32String((const char *)ext->data, ext->size).size();
res += Common::String::format("%02x%s", len, Common::String((const char *)ext->data, ext->size).c_str());
} else {
res += "00";
}
res += "\n";
sd_bufput(ob, res.c_str(), res.size());
debug(1, "render_image(%s, %s, %s, %s)", PR(link), PR(title), PR(alt), PR(ext));
return 1;
}
int render_linebreak(Common::SDDataBuffer *ob, void *opaque) {
debug(1, "render_linebreak()");
sd_bufput(ob, "\n", 1);
return 1;
}
int render_link(Common::SDDataBuffer *ob, const Common::SDDataBuffer *link, const Common::SDDataBuffer *title, const Common::SDDataBuffer *content, void *opaque) {
if (!link)
return 0;
MDState *mdstate = (MDState *)opaque;
const Common::SDDataBuffer *text = content ? content : link;
uint32 linklen = Common::U32String((const char *)link->data, link->size).size();
Common::String res = Common::String::format("\001" "\016+%02x00" "\001\016[%04x%04x%04x"
"\001\016l%02x%s" "%s" "\001\016l00" "\001\016]" "\001\016-%02x00", kMacFontUnderline,
mdstate->linkr, mdstate->linkg, mdstate->linkb,
linklen, Common::String((const char *)link->data , link->size).c_str(),
Common::String((const char *)text->data , text->size).c_str(), kMacFontUnderline);
sd_bufput(ob, res.c_str(), res.size());
debug(1, "render_link(%s, %s, %s)", PR(link), PR(title), PR(content));
return 1;
}
int render_raw_html_tag(Common::SDDataBuffer *ob, const Common::SDDataBuffer *tag, void *opaque) {
if (!tag)
return 0;
sd_bufput(ob, tag->data, tag->size);
debug(1, "render_raw_html_tag(%s)", PR(tag));
return 1;
}
int render_triple_emphasis(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text)
return 0;
warning("STUB: render_triple_emphasis(%s)", PR(text));
return 1;
}
int render_strikethrough(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text)
return 0;
warning("STUB: render_strikethrough(%s)", PR(text));
return 1;
}
int render_superscript(Common::SDDataBuffer *ob, const Common::SDDataBuffer *text, void *opaque) {
if (!text)
return 0;
warning("STUB: render_superscript(%s)", PR(text));
return 1;
}
void MacText::setMarkdownText(const Common::U32String &str) {
const Common::SDCallbacks cb = {
/* block level callbacks - NULL skips the block */
render_blockcode,
render_blockquote,
render_blockhtml,
render_header,
render_hrule,
render_list_start,
render_list,
render_listitem,
render_paragraph,
render_table,
render_table_row,
render_table_cell,
/* span level callbacks - NULL or return 0 prints the span verbatim */
render_autolink,
render_codespan,
render_double_emphasis,
render_emphasis,
render_image,
render_linebreak,
render_link,
render_raw_html_tag,
render_triple_emphasis,
render_strikethrough,
render_superscript,
/* low level callbacks - NULL copies input directly into the output */
NULL,
NULL,
/* header and footer */
NULL,
NULL,
};
Common::String input = str.encode(); // Encode to UTF8
MDState mdState;
// Set link color to blue
mdState.linkr = 0;
mdState.linkg = 0;
mdState.linkb = 0xff;
Common::SDMarkdown md(Common::MKDEXT_TABLES, 16, &cb, &mdState);
Common::String rendered = md.render((const byte *)input.c_str(), input.size());
setText(rendered);
}
} // End of namespace Graphics