diff options
Diffstat (limited to 'svtools/source/svhtml/HtmlWriter.cxx')
-rw-r--r-- | svtools/source/svhtml/HtmlWriter.cxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/svtools/source/svhtml/HtmlWriter.cxx b/svtools/source/svhtml/HtmlWriter.cxx new file mode 100644 index 0000000000..cd73bad074 --- /dev/null +++ b/svtools/source/svhtml/HtmlWriter.cxx @@ -0,0 +1,152 @@ +/* -*- 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 <svtools/HtmlWriter.hxx> +#include <tools/stream.hxx> +#include <sal/log.hxx> +#include <svtools/htmlout.hxx> + +HtmlWriter::HtmlWriter(SvStream& rStream, std::string_view rNamespace) : + mrStream(rStream), + mbPrettyPrint(true) +{ + if (!rNamespace.empty()) + { + // Convert namespace alias to a prefix. + maNamespace = OString::Concat(rNamespace) + ":"; + } +} + +HtmlWriter::~HtmlWriter() +{ + assert(maElementStack.empty()); +} + +void HtmlWriter::prettyPrint(bool b) +{ + mbPrettyPrint = b; +} + +void HtmlWriter::start(const OString& aElement) +{ + if (mbOpeningTagOpen) + { + mrStream.WriteChar('>'); + if (mbPrettyPrint) + mrStream.WriteChar('\n'); + } + maElementStack.push_back(aElement); + + if (mbPrettyPrint) + { + for(size_t i = 0; i < maElementStack.size() - 1; i++) + { + mrStream.WriteOString(" "); + } + } + + mrStream.WriteChar('<'); + mrStream.WriteOString(Concat2View(maNamespace + aElement)); + mbOpeningTagOpen = true; +} + +void HtmlWriter::single(const OString &aContent) +{ + start(aContent); + end(); +} + +void HtmlWriter::flushStack() +{ + while (!maElementStack.empty()) + { + end(); + } +} + +bool HtmlWriter::end(const OString& aElement) +{ + bool bExpected = maElementStack.back() == aElement; + SAL_WARN_IF(!bExpected, "svtools", "HtmlWriter: end element mismatch - '" << aElement << "' expected '" << maElementStack.back() << "'"); + end(); + return bExpected; +} + +void HtmlWriter::end() +{ + if (mbOpeningTagOpen) + { + mrStream.WriteOString("/>"); + if (mbPrettyPrint) + mrStream.WriteOString("\n"); + mbOpeningTagOpen = false; + } + else + { + if (mbPrettyPrint) + { + for(size_t i = 0; i < maElementStack.size() - 1; i++) + { + mrStream.WriteOString(" "); + } + } + mrStream.WriteOString("</"); + mrStream.WriteOString(Concat2View(maNamespace + maElementStack.back())); + mrStream.WriteOString(">"); + if (mbPrettyPrint) + mrStream.WriteOString("\n"); + } + maElementStack.pop_back(); +} + +void HtmlWriter::attribute(std::string_view aAttribute, std::string_view aValue) +{ + attribute(aAttribute, OStringToOUString(aValue, RTL_TEXTENCODING_UTF8)); +} + +void HtmlWriter::attribute(std::string_view aAttribute, const sal_Int32 aValue) +{ + attribute(aAttribute, OString::number(aValue)); +} + +void HtmlWriter::attribute(std::string_view aAttribute, const OUString& aValue) +{ + assert(mbOpeningTagOpen); + if (mbOpeningTagOpen && !aAttribute.empty() && !aValue.isEmpty()) + { + mrStream.WriteChar(' '); + mrStream.WriteOString(aAttribute); + mrStream.WriteOString("=\""); + HTMLOutFuncs::Out_String(mrStream, aValue); + mrStream.WriteChar('"'); + } +} + +void HtmlWriter::attribute(std::string_view aAttribute) +{ + assert(mbOpeningTagOpen); + if (mbOpeningTagOpen && !aAttribute.empty()) + { + mrStream.WriteChar(' '); + mrStream.WriteOString(aAttribute); + } +} + +void HtmlWriter::characters(std::string_view rChars) +{ + if (mbOpeningTagOpen) + { + mrStream.WriteOString(">"); + mbOpeningTagOpen = false; + } + mrStream.WriteOString(rChars); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |