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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/config.h>
#include <libxml/parser.h>
#include <o3tl/safeint.hxx>
#include <o3tl/string_view.hxx>
#include <rtl/strbuf.hxx>
#include <helper.hxx>
namespace helper {
OString escapeAll(
std::string_view rText, std::string_view rUnEscaped, std::string_view rEscaped )
{
assert( rEscaped.size() == 2*rUnEscaped.size() );
OStringBuffer sReturn;
for ( size_t nIndex = 0; nIndex < rText.size(); ++nIndex )
{
size_t nUnEscapedOne = rUnEscaped.find(rText[nIndex]);
if( nUnEscapedOne != std::string_view::npos )
{
sReturn.append(rEscaped.substr(nUnEscapedOne*2,2));
}
else
sReturn.append(rText[nIndex]);
}
return sReturn.makeStringAndClear();
}
OString unEscapeAll(
std::string_view rText, std::string_view rEscaped, std::string_view rUnEscaped)
{
assert( rEscaped.size() == 2*rUnEscaped.length() );
OStringBuffer sReturn;
const size_t nLength = rText.size();
for ( size_t nIndex = 0; nIndex < nLength; ++nIndex )
{
if( rText[nIndex] == '\\' && nIndex+1 < nLength )
{
size_t nEscapedOne = rEscaped.find(rText.substr(nIndex,2));
if( nEscapedOne != std::string_view::npos )
{
sReturn.append(rUnEscaped[nEscapedOne/2]);
++nIndex;
}
else
{
sReturn.append(rText[nIndex]);
}
}
else
sReturn.append(rText[nIndex]);
}
return sReturn.makeStringAndClear();
}
OString QuotHTML(std::string_view rString)
{
OStringBuffer sReturn;
for (size_t i = 0; i < rString.size(); ++i)
{
switch (rString[i])
{
case '<':
sReturn.append("<");
break;
case '>':
sReturn.append(">");
break;
case '"':
sReturn.append(""");
break;
case '\'':
sReturn.append("'");
break;
case '&':
if (o3tl::starts_with(rString.substr(i), "&"))
sReturn.append('&');
else
sReturn.append("&");
break;
default:
sReturn.append(rString[i]);
break;
}
}
return sReturn.makeStringAndClear();
}
OString UnQuotHTML( std::string_view rString )
{
OStringBuffer sReturn;
for (size_t i = 0; i != rString.size();) {
auto tmp = rString.substr(i);
if (o3tl::starts_with(tmp, "&")) {
sReturn.append('&');
i += RTL_CONSTASCII_LENGTH("&");
} else if (o3tl::starts_with(tmp, "<")) {
sReturn.append('<');
i += RTL_CONSTASCII_LENGTH("<");
} else if (o3tl::starts_with(tmp, ">")) {
sReturn.append('>');
i += RTL_CONSTASCII_LENGTH(">");
} else if (o3tl::starts_with(tmp, """)) {
sReturn.append('"');
i += RTL_CONSTASCII_LENGTH(""");
} else if (o3tl::starts_with(tmp, "'")) {
sReturn.append('\'');
i += RTL_CONSTASCII_LENGTH("'");
} else {
sReturn.append(rString[i]);
++i;
}
}
return sReturn.makeStringAndClear();
}
bool isWellFormedXML( std::string_view text )
{
xmlDocPtr doc;
bool result = true;
OString content = OString::Concat("<root>") + text + "</root>";
doc = xmlParseMemory(content.getStr(),static_cast<int>(content.getLength()));
if (doc == nullptr) {
result = false;
}
xmlFreeDoc(doc);
xmlCleanupParser();
return result;
}
//Convert xmlChar* to OString
OString xmlStrToOString( const xmlChar* pString )
{
xmlChar* pTemp = xmlStrdup( pString );
OString sResult = reinterpret_cast<char*>( pTemp );
xmlFree( pTemp );
return sResult;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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