mirror of
https://github.com/Telecominfraproject/wlan-cloud-lib-poco.git
synced 2025-11-24 13:55:06 +00:00
removing old trunk files
This commit is contained in:
Aleksandar Fabijanic
@@ -1,338 +0,0 @@
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//
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// PageReader.cpp
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//
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// $Id: //poco/Main/PageCompiler/src/PageReader.cpp#1 $
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//
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// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "PageReader.h"
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#include "Page.h"
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#include "Poco/FileStream.h"
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#include "Poco/CountingStream.h"
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#include "Poco/Path.h"
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#include "Poco/Exception.h"
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#include <cctype>
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const std::string PageReader::MARKUP_BEGIN("\tostr << \"");
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const std::string PageReader::MARKUP_END("\";\n");
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const std::string PageReader::EXPR_BEGIN("\tostr << ");
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const std::string PageReader::EXPR_END(";\n");
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PageReader::PageReader(Page& page, const std::string& path):
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_page(page),
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_pParent(0),
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_path(path),
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_line(0)
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{
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_attrs.reserve(4096);
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}
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PageReader::PageReader(const PageReader& parent, const std::string& path):
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_page(parent._page),
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_pParent(&parent),
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_path(path),
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_line(0)
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{
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_attrs.reserve(4096);
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}
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PageReader::~PageReader()
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{
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}
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void PageReader::parse(std::istream& pageStream)
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{
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ParsingState state = STATE_MARKUP;
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_page.handler() << MARKUP_BEGIN;
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Poco::CountingInputStream countingPageStream(pageStream);
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std::string token;
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nextToken(countingPageStream, token);
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while (!token.empty())
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{
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_line = countingPageStream.getCurrentLineNumber();
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if (token == "<%")
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{
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if (state == STATE_MARKUP)
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{
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_page.handler() << MARKUP_END;
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state = STATE_BLOCK;
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}
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else _page.handler() << token;
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}
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else if (token == "<%!")
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{
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if (state == STATE_MARKUP)
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{
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_page.handler() << MARKUP_END;
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state = STATE_IMPLDECL;
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}
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else _page.handler() << token;
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}
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else if (token == "<%!!")
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{
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if (state == STATE_MARKUP)
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{
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_page.handler() << MARKUP_END;
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state = STATE_HDRDECL;
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}
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else _page.handler() << token;
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}
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else if (token == "<%--")
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{
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if (state == STATE_MARKUP)
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{
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_page.handler() << MARKUP_END;
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state = STATE_COMMENT;
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}
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else _page.handler() << token;
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}
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else if (token == "<%@")
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{
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if (state == STATE_MARKUP)
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{
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_page.handler() << MARKUP_END;
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state = STATE_ATTR;
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_attrs.clear();
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}
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else _page.handler() << token;
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}
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else if (token == "<%=")
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{
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if (state == STATE_MARKUP)
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{
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_page.handler() << MARKUP_END;
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_page.handler() << EXPR_BEGIN;
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state = STATE_EXPR;
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}
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else _page.handler() << token;
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}
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else if (token == "%>")
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{
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if (state == STATE_EXPR)
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{
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_page.handler() << EXPR_END;
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_page.handler() << MARKUP_BEGIN;
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state = STATE_MARKUP;
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}
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else if (state == STATE_ATTR)
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{
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parseAttributes();
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_attrs.clear();
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_page.handler() << MARKUP_BEGIN;
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state = STATE_MARKUP;
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}
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else if (state != STATE_MARKUP)
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{
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_page.handler() << MARKUP_BEGIN;
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state = STATE_MARKUP;
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}
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else _page.handler() << token;
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}
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else
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{
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switch (state)
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{
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case STATE_MARKUP:
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if (token == "\n")
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{
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_page.handler() << "\\n";
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_page.handler() << MARKUP_END;
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_page.handler() << MARKUP_BEGIN;
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}
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else if (token == "\t")
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{
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_page.handler() << "\\t";
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}
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else if (token == "\"")
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{
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_page.handler() << "\\\"";
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}
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else if (token != "\r")
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{
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_page.handler() << token;
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}
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break;
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case STATE_IMPLDECL:
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_page.implDecls() << token;
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break;
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case STATE_HDRDECL:
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_page.headerDecls() << token;
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break;
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case STATE_BLOCK:
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_page.handler() << token;
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break;
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case STATE_EXPR:
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_page.handler() << token;
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break;
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case STATE_COMMENT:
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break;
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case STATE_ATTR:
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_attrs += token;
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break;
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}
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}
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nextToken(countingPageStream, token);
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}
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if (state == STATE_MARKUP)
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{
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_page.handler() << MARKUP_END;
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}
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else throw Poco::SyntaxException("unclosed meta or code block", where());
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}
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void PageReader::parseAttributes()
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{
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static const int eof = std::char_traits<char>::eof();
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std::string basename;
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std::istringstream istr(_attrs);
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int ch = istr.get();
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while (ch != eof && std::isspace(ch)) ch = istr.get();
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while (ch != eof && std::isalnum(ch)) { basename += (char) ch; ch = istr.get(); }
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while (ch != eof && std::isspace(ch)) ch = istr.get();
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while (ch != eof)
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{
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std::string name(basename + ".");
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std::string value;
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while (ch != eof && std::isalnum(ch)) { name += (char) ch; ch = istr.get(); }
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while (ch != eof && std::isspace(ch)) ch = istr.get();
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if (ch != '=') throw Poco::SyntaxException("bad attribute syntax: '=' expected", where());
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ch = istr.get();
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while (ch != eof && std::isspace(ch)) ch = istr.get();
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if (ch != '"') throw Poco::SyntaxException("bad attribute syntax: '\"' expected", where());
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ch = istr.get();
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while (ch != eof && ch != '"') { value += (char) ch; ch = istr.get(); }
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if (ch != '"') throw Poco::SyntaxException("bad attribute syntax: '\"' expected", where());
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ch = istr.get();
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handleAttribute(name, value);
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while (ch != eof && std::isspace(ch)) ch = istr.get();
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}
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}
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void PageReader::nextToken(std::istream& istr, std::string& token)
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{
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token.clear();
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int ch = istr.get();
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if (ch != -1)
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{
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if (ch == '<' && istr.peek() == '%')
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{
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token += "<%";
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ch = istr.get();
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ch = istr.peek();
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switch (ch)
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{
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case '!':
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ch = istr.get();
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token += (char) ch;
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if (istr.peek() == '!')
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{
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ch = istr.get();
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token += (char) ch;
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}
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break;
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case '=':
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ch = istr.get();
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token += (char) ch;
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break;
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case '@':
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ch = istr.get();
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token += (char) ch;
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break;
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case '-':
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ch = istr.get();
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token += (char) ch;
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if (istr.peek() == '-')
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{
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ch = istr.get();
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token += (char) ch;
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}
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break;
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}
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}
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else if (ch == '%' && istr.peek() == '>')
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{
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token += "%>";
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ch = istr.get();
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}
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else token += (char) ch;
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}
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}
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void PageReader::handleAttribute(const std::string& name, const std::string& value)
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{
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if (name == "include.page")
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{
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include(value);
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}
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else
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{
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_page.set(name, value);
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}
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}
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void PageReader::include(const std::string& path)
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{
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Poco::Path currentPath(_path);
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Poco::Path includePath(path);
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currentPath.resolve(includePath);
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_page.handler() << "\t// begin include " << currentPath.toString() << "\n";
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Poco::FileInputStream includeStream(currentPath.toString());
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PageReader includeReader(*this, currentPath.toString());
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includeReader.parse(includeStream);
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_page.handler() << "\t// end include " << currentPath.toString() << "\n";
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}
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std::string PageReader::where() const
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{
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std::stringstream result;
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result << "in file '" << _path << "', line " << _line;
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const PageReader* pParent = _pParent;
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while (pParent)
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{
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result << "\n\tincluded from file '"<< pParent->_path << "', line " << pParent->_line;
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pParent = pParent->_pParent;
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}
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return result.str();
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}
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