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