427037a552
boost::split_iterator type-erases the predicate, which makes it require a virtual call per character (!) along with a heap allocation. As it turns out we only ever need one predicate (comparing to a single character), so replace it with a split_iterator that just does that.
244 lines
6.7 KiB
C++
244 lines
6.7 KiB
C++
// Copyright (c) 2005, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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/// @file ass_style.cpp
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/// @brief Class for style definitions in subtitles
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/// @ingroup subs_storage
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///
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#include "ass_style.h"
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#include "subtitle_format.h"
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#include "utils.h"
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#include <libaegisub/format.h>
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#include <libaegisub/split.h>
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#include <boost/algorithm/string/trim.hpp>
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#include <boost/lexical_cast.hpp>
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#include <wx/intl.h>
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AssStyle::AssStyle() {
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std::fill(Margin.begin(), Margin.end(), 10);
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UpdateData();
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}
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AssEntryGroup AssStyle::Group() const { return AssEntryGroup::STYLE; }
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namespace {
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class parser {
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agi::split_iterator<agi::StringRange::const_iterator> pos;
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std::string next_tok() {
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if (pos.eof())
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throw SubtitleFormatParseError("Malformed style: not enough fields");
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return agi::str(trim_copy(*pos++));
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}
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public:
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parser(std::string const& str) {
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auto colon = find(str.begin(), str.end(), ':');
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if (colon != str.end())
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pos = agi::Split(agi::StringRange(colon + 1, str.end()), ',');
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}
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void check_done() const {
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if (!pos.eof())
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throw SubtitleFormatParseError("Malformed style: too many fields");
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}
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std::string next_str() { return next_tok(); }
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agi::Color next_color() { return next_tok(); }
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int next_int() {
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try {
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return boost::lexical_cast<int>(next_tok());
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}
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catch (boost::bad_lexical_cast const&) {
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throw SubtitleFormatParseError("Malformed style: bad int field");
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}
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}
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double next_double() {
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try {
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return boost::lexical_cast<double>(next_tok());
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}
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catch (boost::bad_lexical_cast const&) {
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throw SubtitleFormatParseError("Malformed style: bad double field");
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}
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}
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void skip_token() {
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if (!pos.eof())
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++pos;
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}
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};
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}
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AssStyle::AssStyle(std::string const& str, int version) {
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parser p(str);
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name = p.next_str();
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font = p.next_str();
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fontsize = p.next_double();
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if (version != 0) {
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primary = p.next_color();
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secondary = p.next_color();
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outline = p.next_color();
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shadow = p.next_color();
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}
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else {
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primary = p.next_color();
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secondary = p.next_color();
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// Skip tertiary color
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p.skip_token();
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// Read shadow/outline color
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outline = p.next_color();
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shadow = outline;
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}
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bold = !!p.next_int();
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italic = !!p.next_int();
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if (version != 0) {
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underline = !!p.next_int();
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strikeout = !!p.next_int();
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scalex = p.next_double();
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scaley = p.next_double();
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spacing = p.next_double();
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angle = p.next_double();
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}
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else {
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// SSA defaults
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underline = false;
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strikeout = false;
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scalex = 100;
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scaley = 100;
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spacing = 0;
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angle = 0.0;
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}
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borderstyle = p.next_int();
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outline_w = p.next_double();
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shadow_w = p.next_double();
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alignment = p.next_int();
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if (version == 0)
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alignment = SsaToAss(alignment);
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Margin[0] = mid(0, p.next_int(), 9999);
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Margin[1] = mid(0, p.next_int(), 9999);
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Margin[2] = mid(0, p.next_int(), 9999);
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// Skip alpha level
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if (version == 0)
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p.skip_token();
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encoding = p.next_int();
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p.check_done();
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UpdateData();
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}
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void AssStyle::UpdateData() {
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replace(name.begin(), name.end(), ',', ';');
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replace(font.begin(), font.end(), ',', ';');
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data = agi::format("Style: %s,%s,%g,%s,%s,%s,%s,%d,%d,%d,%d,%g,%g,%g,%g,%d,%g,%g,%i,%i,%i,%i,%i",
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name, font, fontsize,
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primary.GetAssStyleFormatted(),
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secondary.GetAssStyleFormatted(),
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outline.GetAssStyleFormatted(),
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shadow.GetAssStyleFormatted(),
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(bold? -1 : 0), (italic ? -1 : 0),
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(underline ? -1 : 0), (strikeout ? -1 : 0),
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scalex, scaley, spacing, angle,
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borderstyle, outline_w, shadow_w, alignment,
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Margin[0], Margin[1], Margin[2], encoding);
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}
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void AssStyle::GetEncodings(wxArrayString &encodingStrings) {
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encodingStrings.Clear();
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encodingStrings.Add(wxString("0 - ") + _("ANSI"));
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encodingStrings.Add(wxString("1 - ") + _("Default"));
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encodingStrings.Add(wxString("2 - ") + _("Symbol"));
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encodingStrings.Add(wxString("77 - ") + _("Mac"));
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encodingStrings.Add(wxString("128 - ") + _("Shift_JIS"));
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encodingStrings.Add(wxString("129 - ") + _("Hangeul"));
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encodingStrings.Add(wxString("130 - ") + _("Johab"));
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encodingStrings.Add(wxString("134 - ") + _("GB2312"));
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encodingStrings.Add(wxString("136 - ") + _("Chinese BIG5"));
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encodingStrings.Add(wxString("161 - ") + _("Greek"));
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encodingStrings.Add(wxString("162 - ") + _("Turkish"));
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encodingStrings.Add(wxString("163 - ") + _("Vietnamese"));
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encodingStrings.Add(wxString("177 - ") + _("Hebrew"));
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encodingStrings.Add(wxString("178 - ") + _("Arabic"));
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encodingStrings.Add(wxString("186 - ") + _("Baltic"));
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encodingStrings.Add(wxString("204 - ") + _("Russian"));
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encodingStrings.Add(wxString("222 - ") + _("Thai"));
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encodingStrings.Add(wxString("238 - ") + _("East European"));
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encodingStrings.Add(wxString("255 - ") + _("OEM"));
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}
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int AssStyle::AssToSsa(int ass_align) {
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switch (ass_align) {
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case 1: return 1;
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case 2: return 2;
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case 3: return 3;
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case 4: return 9;
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case 5: return 10;
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case 6: return 11;
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case 7: return 5;
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case 8: return 6;
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case 9: return 7;
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default: return 2;
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}
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}
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int AssStyle::SsaToAss(int ssa_align) {
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switch(ssa_align) {
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case 1: return 1;
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case 2: return 2;
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case 3: return 3;
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case 5: return 7;
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case 6: return 8;
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case 7: return 9;
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case 9: return 4;
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case 10: return 5;
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case 11: return 6;
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default: return 2;
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}
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}
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