From a06e2c2f225d76b67b0058a9880222f75d5495c3 Mon Sep 17 00:00:00 2001 From: Michele Calgaro Date: Wed, 9 Dec 2020 14:11:22 +0900 Subject: Renaming of files in preparation for code style tools. Signed-off-by: Michele Calgaro --- .../jingle/libjingle/talk/xmllite/xmlnsstack.cpp | 205 +++++++++++++++++++++ 1 file changed, 205 insertions(+) create mode 100644 kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlnsstack.cpp (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlnsstack.cpp') diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlnsstack.cpp b/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlnsstack.cpp new file mode 100644 index 00000000..d6d4c7b4 --- /dev/null +++ b/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlnsstack.cpp @@ -0,0 +1,205 @@ +/* + * libjingle + * Copyright 2004--2005, Google Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include "talk/base/stl_decl.h" +#include +#include +#include +#include +#include "talk/xmllite/xmlelement.h" +#include "talk/xmllite/xmlnsstack.h" +#include "talk/xmllite/xmlconstants.h" + +namespace buzz { + +XmlnsStack::XmlnsStack() : + pxmlnsStack_(new std::vector), + pxmlnsDepthStack_(new std::vector) { +} + +XmlnsStack::~XmlnsStack() {} + +void +XmlnsStack::PushFrame() { + pxmlnsDepthStack_->push_back(pxmlnsStack_->size()); +} + +void +XmlnsStack::PopFrame() { + size_t prev_size = pxmlnsDepthStack_->back(); + pxmlnsDepthStack_->pop_back(); + if (prev_size < pxmlnsStack_->size()) { + pxmlnsStack_->erase(pxmlnsStack_->begin() + prev_size, + pxmlnsStack_->end()); + } +} +const std::pair NS_NOT_FOUND(STR_EMPTY, false); +const std::pair EMPTY_NS_FOUND(STR_EMPTY, true); +const std::pair XMLNS_DEFINITION_FOUND(NS_XMLNS, true); + +const std::string * +XmlnsStack::NsForPrefix(const std::string & prefix) { + if (prefix.length() >= 3 && + (prefix[0] == 'x' || prefix[0] == 'X') && + (prefix[1] == 'm' || prefix[1] == 'M') && + (prefix[2] == 'l' || prefix[2] == 'L')) { + if (prefix == "xml") + return &(NS_XML); + if (prefix == "xmlns") + return &(NS_XMLNS); + return NULL; + } + + std::vector::iterator pos; + for (pos = pxmlnsStack_->end(); pos > pxmlnsStack_->begin(); ) { + pos -= 2; + if (*pos == prefix) + return &(*(pos + 1)); + } + + if (prefix == STR_EMPTY) + return &(STR_EMPTY); // default namespace + + return NULL; // none found +} + +bool +XmlnsStack::PrefixMatchesNs(const std::string & prefix, const std::string & ns) { + const std::string * match = NsForPrefix(prefix); + if (match == NULL) + return false; + return (*match == ns); +} + +std::pair +XmlnsStack::PrefixForNs(const std::string & ns, bool isattr) { + if (ns == NS_XML) + return std::make_pair(std::string("xml"), true); + if (ns == NS_XMLNS) + return std::make_pair(std::string("xmlns"), true); + if (isattr ? ns == STR_EMPTY : PrefixMatchesNs(STR_EMPTY, ns)) + return std::make_pair(STR_EMPTY, true); + + std::vector::iterator pos; + for (pos = pxmlnsStack_->end(); pos > pxmlnsStack_->begin(); ) { + pos -= 2; + if (*(pos + 1) == ns && + (!isattr || !pos->empty()) && PrefixMatchesNs(*pos, ns)) + return std::make_pair(*pos, true); + } + + return std::make_pair(STR_EMPTY, false); // none found +} + +std::string +XmlnsStack::FormatTQName(const TQName & name, bool isAttr) { + std::string prefix(PrefixForNs(name.Namespace(), isAttr).first); + if (prefix == STR_EMPTY) + return name.LocalPart(); + else + return prefix + ':' + name.LocalPart(); +} + +void +XmlnsStack::AddXmlns(const std::string & prefix, const std::string & ns) { + pxmlnsStack_->push_back(prefix); + pxmlnsStack_->push_back(ns); +} + +void +XmlnsStack::RemoveXmlns() { + pxmlnsStack_->pop_back(); + pxmlnsStack_->pop_back(); +} + +static bool IsAsciiLetter(char ch) { + return ((ch >= 'a' && ch <= 'z') || + (ch >= 'A' && ch <= 'Z')); +} + +static std::string AsciiLower(const std::string & s) { + std::string result(s); + size_t i; + for (i = 0; i < result.length(); i++) { + if (result[i] >= 'A' && result[i] <= 'Z') + result[i] += 'a' - 'A'; + } + return result; +} + +static std::string SuggestPrefix(const std::string & ns) { + size_t len = ns.length(); + size_t i = ns.find_last_of('.'); + if (i != std::string::npos && len - i <= 4 + 1) + len = i; // chop off ".html" or ".xsd" or ".?{0,4}" + size_t last = len; + while (last > 0) { + last -= 1; + if (IsAsciiLetter(ns[last])) { + size_t first = last; + last += 1; + while (first > 0) { + if (!IsAsciiLetter(ns[first - 1])) + break; + first -= 1; + } + if (last - first > 4) + last = first + 3; + std::string candidate(AsciiLower(ns.substr(first, last - first))); + if (candidate.find("xml") != 0) + return candidate; + break; + } + } + return "ns"; +} + + +std::pair +XmlnsStack::AddNewPrefix(const std::string & ns, bool isAttr) { + if (PrefixForNs(ns, isAttr).second) + return std::make_pair(STR_EMPTY, false); + + std::string base(SuggestPrefix(ns)); + std::string result(base); + int i = 2; + while (NsForPrefix(result) != NULL) { + std::stringstream ss; + ss << base; + ss << (i++); + ss >> result; + } + AddXmlns(result, ns); + return std::make_pair(result, true); +} + +void XmlnsStack::Reset() { + pxmlnsStack_->clear(); + pxmlnsDepthStack_->clear(); +} + +} -- cgit v1.2.1