added BBCODEParser (html/bbcodeparser.h|cpp) - copied from winix project
parent
bdb2616f32
commit
2a3f43c5c3
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@ -43,3 +43,4 @@
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./mainoptions/mainoptionsparser.o: textstream/stream.h utf8/utf8_templates.h
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./mainoptions/mainoptionsparser.o: utf8/utf8_private.h
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./html/htmlfilter.o: ./html/htmlfilter.h
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./html/bbcodeparser.o: ./html/bbcodeparser.h ./html/htmlfilter.h
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@ -0,0 +1,639 @@
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/*
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* This file is a part of PikoTools
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* and is distributed under the (new) BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2008-2021, Tomasz Sowa
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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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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name Tomasz Sowa nor the names of contributors to this
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* project may be used to endorse or promote products derived
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* from this software 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
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "bbcodeparser.h"
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namespace pt
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{
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bool BBCODEParser::Equal(const wchar_t * str1, const wchar_t * str2)
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{
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while( *str1 == *str2 && *str1 != 0 )
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{
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str1 += 1;
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str2 += 1;
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}
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return *str1 == *str2;
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}
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bool BBCODEParser::IsValidCharForName(int c)
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{
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if( (c>='a' && c<='z') ||
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(c>='A' && c<='Z') ||
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c=='*' || c=='_')
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return true;
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return false;
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}
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bool BBCODEParser::IsOpeningTagMark(wchar_t c)
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{
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return (c == '[');
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}
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bool BBCODEParser::IsClosingTagMark(wchar_t c)
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{
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return (c == ']');
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}
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bool BBCODEParser::IsClosingXmlSimpleTagMark(wchar_t c)
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{
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return false;
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}
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// there are no commentaries in bbcode
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bool BBCODEParser::IsOpeningCommentaryTagMark(const wchar_t *)
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{
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return false;
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}
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size_t BBCODEParser::OpeningCommentaryTagMarkSize()
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{
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return 0;
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}
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bool BBCODEParser::SkipCommentaryTagIfExists()
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{
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return false;
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}
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// one enter will generate one <br>
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// two enters or more will generate only two br (<br><br>)
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void BBCODEParser::PutNormalText(const wchar_t * str, const wchar_t * end)
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{
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int br_len;
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if( *pchar == 0 )
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{
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// trimming last white characters at end of the user text
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while( str<end && (IsWhite(*(end-1)) || *(end-1)==10) )
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--end;
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}
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while( str < end )
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{
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if( *str == 10 )
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{
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++str;
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br_len = 1;
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// skipping white characters without a new line character
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while( str < end && IsWhite(*str) )
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++str;
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if( str < end && *str == 10 )
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{
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br_len = 2;
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// skipping white characters with new line characters
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while( str < end && (IsWhite(*str) || *str==10) )
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++str;
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}
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if( !has_open_ol_tag && !has_open_ul_tag && !has_open_li_tag )
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{
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for(int i=0 ; i < br_len ; ++i)
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(*out_string) += L"<br>\n";
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}
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}
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else
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{
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PrintEscape(*str);
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++str;
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}
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}
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}
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void BBCODEParser::ReadNormalTextSkipWhite(const wchar_t * & start, const wchar_t * & last_non_white)
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{
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}
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void BBCODEParser::CheckExceptions()
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{
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if( stack_len >= 2 )
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{
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if( pstack[stack_len-1].type == Item::opening &&
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pstack[stack_len-2].type == Item::opening &&
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IsNameEqual(L"*", pstack[stack_len-1].name) &&
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IsNameEqual(L"*", pstack[stack_len-2].name) )
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{
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// removing the last [*] from the stack
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// </li> was put automatically
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PopStack();
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}
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}
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}
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/*
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bbcode format:
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[bbcodetag=value]some text[/bbcodetag]
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the value can be quoted, e.g.
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[bbcodetag="value"]some text[/bbcodetag], or
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[bbcodetag='value']some text[/bbcodetag]
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the third string below (in tags table) is 'html_argument' from Tags,
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it can contain a special character % followed by a string which means:
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%1 - "value" escaped as for html
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%2 - "some text" escaped as for html
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%u1 - "value" trimmed and escaped as for url-es
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%u2 - "some text" trimmed and escaped as for url-es
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%% - one %
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if you are using %2 or %u2 then "some text" is not treated as bbcode, e.g.
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[bbcodetag=value]some [b]text[/b][/bbcodetag] will produce:
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<htmltag arg="value">some [b]text[/b]</htmltag> (the inner tags [b][/b] were not parsed)
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also when using %2 or %u2 the closing bbcode tag is skipped
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(if you want this tag then you can put it in 'html_argument')
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and when using u (%u1 or %u2) the argument is trimmed from whitespaces and new lines
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at the beginning and at the end
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(because otherwise a space would be changed to %20 and this were probably not what you really wanted)
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*/
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const BBCODEParser::Tags * BBCODEParser::FindTag(const wchar_t * tag)
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{
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static Tags tags[] = {
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{L"*", L"li", L">", false},
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{L"b", L"em", L">", true},
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{L"i", L"span", L" class=\"bbitalic\">", true},
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{L"u", L"span", L" class=\"bbunderline\">", true},
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{L"s", L"span", L" class=\"bbstrike\">", true},
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{L"code", L"code", L" class=\"bbcode\">", false},
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{L"list", L"ul", L" class=\"bblist\">", false},
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{L"color", L"span", L" class=\"bbcol%1\">", true},
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{L"url", L"a", L" href=\"%u1\">", true},
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{L"img", L"img", L" alt=\"%1\" src=\"%u2\">", true},
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{L"quote", L"div", L" class=\"bbquote\">\n<span class=\"bbquotewho\">%1</span><br>\n", false},
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};
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size_t i;
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size_t len = sizeof(tags) / sizeof(Tags);
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for(i=0 ; i<len ; ++i)
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{
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if( Equal(tag, tags[i].bbcode) )
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return &tags[i];
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}
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return 0;
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}
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const BBCODEParser::Tags * BBCODEParser::FindTag(const std::wstring & tag)
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{
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return FindTag(tag.c_str());
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}
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void BBCODEParser::PrintArgumentCheckQuotes(const wchar_t * & start, const wchar_t * & end)
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{
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// skipping white characters from the argument
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while( start<end && IsWhite(*start) )
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++start;
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// skipping first '=' character if exists
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if( start<end && *start == '=' )
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++start;
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// skipping white characters from the argument
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// at the beginning
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while( start<end && IsWhite(*start) )
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++start;
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// and at the end
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while( start<end && IsWhite(*(end-1)) )
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--end;
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if( start<end && (*start=='\'' || *start=='\"') )
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{
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++start;
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if( start<end && *(start-1) == *(end-1) )
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--end;
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// skipping white characters after a first quote char [url = " ww...."]
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while( start<end && IsWhite(*start) )
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++start;
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}
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}
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void BBCODEParser::PrintEncode(int c)
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{
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if( c == '&' )
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{
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(*out_string) += L"&";
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}
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else
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if( (c>='a' && c<='z') ||
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(c>='A' && c<='Z') ||
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(c>='0' && c<='9') ||
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(c=='_' || c=='?' || c=='.' || c==',' || c=='/' || c=='-' ||
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c=='+' || c=='*' || c=='(' || c==')' || c=='=' || c==':')
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)
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{
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(*out_string) += c;
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}
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else
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{
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wchar_t buffer[20];
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swprintf(buffer, 20, L"%02X", c);
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(*out_string) += '%';
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(*out_string) += buffer;
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}
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}
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void BBCODEParser::PrintEscape(int c, bool change_quote)
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{
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if( c == '<' )
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{
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(*out_string) += L"<";
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}
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else
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if( c == '>' )
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{
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(*out_string) += L">";
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}
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else
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if( c == '&' )
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{
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(*out_string) += L"&";
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}
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else
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if( c == '\"' && change_quote )
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{
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(*out_string) += L""";
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}
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else
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{
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(*out_string) += c;
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}
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}
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void BBCODEParser::PrintArgumentEncode(const wchar_t * start, const wchar_t * end)
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{
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PrintArgumentCheckQuotes(start, end);
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TrimWhiteWithNewLines(start, end);
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for( ; start<end ; ++start )
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PrintEncode(*start);
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}
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void BBCODEParser::PrintArgumentEscape(const wchar_t * start, const wchar_t * end)
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{
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PrintArgumentCheckQuotes(start, end);
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for( ; start<end ; ++start )
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PrintEscape(*start, true); // quotes are escaped as well here
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}
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void BBCODEParser::CheckOpeningTag(const Tags * tag, const wchar_t * tag_name, bool & condition)
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{
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if( Equal(tag->html_tag, tag_name) )
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{
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if( condition )
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{
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PutClosingTag(tag);
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(*out_string) += '\n';
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}
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condition = true;
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}
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}
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void BBCODEParser::CheckOpeningTag(const Tags * tag)
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{
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bool has_list_tag = has_open_ul_tag || has_open_ol_tag;
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CheckOpeningTag(tag, L"li", has_open_li_tag);
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CheckOpeningTag(tag, L"ul", has_open_ul_tag);
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CheckOpeningTag(tag, L"ol", has_open_ol_tag);
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if( has_open_li_tag && !has_list_tag )
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{
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(*out_string) += L"<ul>\n";
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has_open_ul_tag = true;
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}
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}
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void BBCODEParser::PrintEscape(const wchar_t * start, const wchar_t * end, bool change_quote)
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{
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for( ; start < end ; ++start)
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PrintEscape(*start, change_quote);
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}
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void BBCODEParser::PrintEncode(const wchar_t * start, const wchar_t * end)
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{
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for( ; start < end ; ++start)
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PrintEncode(*start);
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}
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void BBCODEParser::PutOpeningTagFromEzc()
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{
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// this can be a tag from Ezc templates system
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(*out_string) += '[';
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(*out_string) += LastItem().name;
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const wchar_t * start = pchar;
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while( *pchar && *pchar!=']' )
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++pchar;
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if( *pchar == ']' )
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++pchar;
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Put(start, pchar);
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}
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void BBCODEParser::PutHtmlArgument1(const wchar_t * arg_start, const wchar_t * arg_end, bool has_u)
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{
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if( has_u )
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PrintArgumentEncode(arg_start, arg_end);
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else
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PrintArgumentEscape(arg_start, arg_end);
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}
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void BBCODEParser::TrimWhiteWithNewLines(const wchar_t * & start, const wchar_t * & end)
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{
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while( start < end && (IsWhite(*start) || *start==10) )
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++start;
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while( start < end && (IsWhite(*(end-1)) || *(end-1)==10) )
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--end;
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}
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void BBCODEParser::PutHtmlArgument2(const Tags * tag, bool has_u)
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{
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const wchar_t * start = pchar;
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const wchar_t * end = pchar;
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bool first_tag_removed = false;
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while( *pchar != 0 )
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{
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if( IsOpeningTagMark(*pchar) )
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{
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if( IsClosingTagForLastItem() )
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{
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// the last tag is skipped when using patterns with %2 or %u2
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PopStack(); // removing opening tag from the stack
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first_tag_removed = true;
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break;
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}
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}
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else
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{
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pchar += 1;
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end = pchar;
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}
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}
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if( !first_tag_removed )
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PopStack(); // user has forgotten to close the tag
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if( has_u )
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{
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TrimWhiteWithNewLines(start, end);
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PrintEncode(start, end);
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}
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else
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{
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PrintEscape(start, end);
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}
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}
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void BBCODEParser::PutHtmlArgument(const Tags * tag, const wchar_t * arg_start, const wchar_t * arg_end)
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{
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const wchar_t * pattern = tag->html_argument;
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bool has_u;
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while( *pattern )
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{
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if( *pattern == '%' )
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{
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++pattern;
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has_u = false;
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if( *pattern == 'u' )
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{
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++pattern;
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has_u = true;
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}
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if( *pattern == '1' )
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{
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++pattern;
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PutHtmlArgument1(arg_start, arg_end, has_u);
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}
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else
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if( *pattern == '2' )
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{
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++pattern;
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PutHtmlArgument2(tag, has_u);
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}
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else
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if( *pattern == '%' )
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{
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(*out_string) += '%';
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++pattern;
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}
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// else unrecognized, will be printed next time as a normal character
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}
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else
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{
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(*out_string) += *pattern;
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++pattern;
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}
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}
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}
|
||||
|
||||
|
||||
void BBCODEParser::PutOpeningTagFromBBCode(const Tags * tag)
|
||||
{
|
||||
CheckOpeningTag(tag);
|
||||
PutOpeningTagMark();
|
||||
Put(tag->html_tag);
|
||||
|
||||
const wchar_t * start = pchar;
|
||||
|
||||
while( *pchar && *pchar != ']' )
|
||||
++pchar;
|
||||
|
||||
PutHtmlArgument(tag, start, pchar);
|
||||
|
||||
if( *pchar == ']' )
|
||||
++pchar;
|
||||
|
||||
if( !tag->inline_tag )
|
||||
{
|
||||
Put(10);
|
||||
SkipWhiteLines();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
bool BBCODEParser::PutOpeningTag()
|
||||
{
|
||||
const Tags * tag = FindTag(LastItem().name);
|
||||
|
||||
if( !tag )
|
||||
PutOpeningTagFromEzc();
|
||||
else
|
||||
PutOpeningTagFromBBCode(tag);
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
void BBCODEParser::PutClosingTag(const Tags * tag)
|
||||
{
|
||||
if( !tag )
|
||||
return; // skipping the tag
|
||||
|
||||
PutOpeningTagMark();
|
||||
(*out_string) += '/';
|
||||
(*out_string) += tag->html_tag;
|
||||
PutClosingTagMark();
|
||||
|
||||
if( !tag->inline_tag )
|
||||
{
|
||||
(*out_string) += L"\n";
|
||||
SkipWhiteLines();
|
||||
}
|
||||
|
||||
if( Equal(tag->html_tag, L"li") )
|
||||
has_open_li_tag = false;
|
||||
|
||||
if( Equal(tag->html_tag, L"ol") )
|
||||
has_open_ol_tag = false;
|
||||
|
||||
if( Equal(tag->html_tag, L"ul") )
|
||||
has_open_ul_tag = false;
|
||||
}
|
||||
|
||||
|
||||
void BBCODEParser::PutClosingTag(const wchar_t * tag_name)
|
||||
{
|
||||
const Tags * tag = FindTag(tag_name);
|
||||
PutClosingTag(tag);
|
||||
}
|
||||
|
||||
|
||||
|
||||
void BBCODEParser::Init()
|
||||
{
|
||||
has_open_li_tag = false;
|
||||
has_open_ol_tag = false;
|
||||
has_open_ul_tag = false;
|
||||
|
||||
SkipWhiteLines();
|
||||
}
|
||||
|
||||
|
||||
void BBCODEParser::Uninit()
|
||||
{
|
||||
if( has_open_li_tag )
|
||||
(*out_string) += L"</li>\n";
|
||||
|
||||
if( has_open_ol_tag )
|
||||
(*out_string) += L"</ol>\n";
|
||||
|
||||
if( has_open_ul_tag )
|
||||
(*out_string) += L"</ul>\n";
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,128 @@
|
|||
/*
|
||||
* This file is a part of PikoTools
|
||||
* and is distributed under the (new) BSD licence.
|
||||
* Author: Tomasz Sowa <t.sowa@ttmath.org>
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2008-2021, Tomasz Sowa
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
*
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* * Neither the name Tomasz Sowa nor the names of contributors to this
|
||||
* project may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
||||
* THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef headerfile_winix_core_bbcodeparser
|
||||
#define headerfile_winix_core_bbcodeparser
|
||||
|
||||
#include "htmlfilter.h"
|
||||
|
||||
namespace pt
|
||||
{
|
||||
|
||||
|
||||
class BBCODEParser : public HTMLFilter
|
||||
{
|
||||
|
||||
struct Tags
|
||||
{
|
||||
const wchar_t * bbcode;
|
||||
const wchar_t * html_tag;
|
||||
const wchar_t * html_argument; // with closing '>'
|
||||
bool inline_tag;
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
virtual methods
|
||||
(from HTMLFilter class)
|
||||
*/
|
||||
virtual void Init();
|
||||
virtual void Uninit();
|
||||
|
||||
virtual bool IsOpeningTagMark(wchar_t c);
|
||||
virtual bool IsClosingTagMark(wchar_t c);
|
||||
virtual bool IsClosingXmlSimpleTagMark(wchar_t c);
|
||||
|
||||
virtual bool IsOpeningCommentaryTagMark(const wchar_t *);
|
||||
virtual size_t OpeningCommentaryTagMarkSize();
|
||||
|
||||
virtual bool IsValidCharForName(int c);
|
||||
virtual void CheckExceptions();
|
||||
virtual bool SkipCommentaryTagIfExists();
|
||||
|
||||
virtual bool PutOpeningTag();
|
||||
virtual void PutClosingTag(const wchar_t * tag);
|
||||
|
||||
virtual void PutNormalText(const wchar_t * str, const wchar_t * end);
|
||||
virtual void ReadNormalTextSkipWhite(const wchar_t * & start, const wchar_t * & last_non_white);
|
||||
|
||||
|
||||
|
||||
/*
|
||||
others
|
||||
*/
|
||||
bool Equal(const wchar_t * str1, const wchar_t * str2);
|
||||
|
||||
void PutHtmlArgument1(const wchar_t * arg_start, const wchar_t * arg_end, bool has_u);
|
||||
void PutHtmlArgument2(const Tags * tag, bool has_u);
|
||||
void PutHtmlArgument(const Tags * tag, const wchar_t * arg_start, const wchar_t * arg_end);
|
||||
|
||||
void PutOpeningTagFromEzc();
|
||||
void PutOpeningTagFromBBCode(const Tags * tag);
|
||||
|
||||
const Tags * FindTag(const wchar_t * tag);
|
||||
const Tags * FindTag(const std::wstring & tag);
|
||||
void PrintArgumentCheckQuotes(const wchar_t * & start, const wchar_t * & end);
|
||||
|
||||
void PrintEscape(int c, bool change_quote = false);
|
||||
void PrintEncode(int c);
|
||||
|
||||
void PrintEscape(const wchar_t * start, const wchar_t * end, bool change_quote = false);
|
||||
void PrintEncode(const wchar_t * start, const wchar_t * end);
|
||||
|
||||
void PrintArgumentEncode(const wchar_t * start, const wchar_t * end);
|
||||
void PrintArgumentEscape(const wchar_t * start, const wchar_t * end);
|
||||
|
||||
void PutClosingTag(const Tags * tag);
|
||||
|
||||
void CheckOpeningTag(const Tags * tag, const wchar_t * tag_name, bool & condition);
|
||||
void CheckOpeningTag(const Tags * tag);
|
||||
|
||||
void TrimWhiteWithNewLines(const wchar_t * & start, const wchar_t * & end);
|
||||
|
||||
|
||||
|
||||
bool has_open_ol_tag; // has open html <ol> tag
|
||||
bool has_open_ul_tag; // has open html <ul> tag
|
||||
bool has_open_li_tag; // has open html <li> tag
|
||||
};
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue