1 files changed, 176 insertions, 0 deletions
diff --git a/svtools/source/svhtml/HtmlWriter.cxx b/svtools/source/svhtml/HtmlWriter.cxx
new file mode 100644
index 000000000..b813c7ee5
--- /dev/null
+++ b/svtools/source/svhtml/HtmlWriter.cxx
@@ -0,0 +1,176 @@
+/* -*- 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),
+    mbElementOpen(false),
+    mbCharactersWritten(false),
+    mbPrettyPrint(true)
+{
+    if (!rNamespace.empty())
+    {
+        // Convert namespace alias to a prefix.
+        maNamespace = OString::Concat(rNamespace) + ":";
+    }
+}
+
+HtmlWriter::~HtmlWriter()
+{}
+
+void HtmlWriter::prettyPrint(bool b)
+{
+    mbPrettyPrint = b;
+}
+
+void HtmlWriter::start(const OString& aElement)
+{
+    if (mbElementOpen)
+    {
+        mrStream.WriteChar('>');
+        if (mbPrettyPrint)
+            mrStream.WriteChar('\n');
+    }
+    maElementStack.push_back(aElement);
+
+    if (mbPrettyPrint)
+    {
+        for(size_t i = 0; i < maElementStack.size() - 1; i++)
+        {
+            mrStream.WriteCharPtr("  ");
+        }
+    }
+
+    mrStream.WriteChar('<');
+    mrStream.WriteOString(OStringConcatenation(maNamespace + aElement));
+    mbElementOpen = true;
+}
+
+void HtmlWriter::single(const OString &aContent)
+{
+    start(aContent);
+    end();
+}
+
+void HtmlWriter::endAttribute()
+{
+    if (mbElementOpen)
+    {
+        mrStream.WriteCharPtr("/>");
+        if (mbPrettyPrint)
+            mrStream.WriteCharPtr("\n");
+        mbElementOpen = false;
+    }
+}
+
+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 (mbElementOpen && !mbCharactersWritten)
+    {
+        mrStream.WriteCharPtr("/>");
+        if (mbPrettyPrint)
+            mrStream.WriteCharPtr("\n");
+    }
+    else
+    {
+        if (mbPrettyPrint)
+        {
+            for(size_t i = 0; i < maElementStack.size() - 1; i++)
+            {
+                mrStream.WriteCharPtr("  ");
+            }
+        }
+        mrStream.WriteCharPtr("</");
+        mrStream.WriteOString(OStringConcatenation(maNamespace + maElementStack.back()));
+        mrStream.WriteCharPtr(">");
+        if (mbPrettyPrint)
+            mrStream.WriteCharPtr("\n");
+    }
+    maElementStack.pop_back();
+    mbElementOpen = false;
+    mbCharactersWritten = false;
+}
+
+void HtmlWriter::writeAttribute(SvStream& rStream, std::string_view aAttribute, sal_Int32 aValue)
+{
+    writeAttribute(rStream, aAttribute, OString::number(aValue));
+}
+
+void HtmlWriter::writeAttribute(SvStream& rStream, std::string_view aAttribute, std::string_view aValue)
+{
+    rStream.WriteOString(aAttribute);
+    rStream.WriteChar('=');
+    rStream.WriteChar('"');
+    HTMLOutFuncs::Out_String(rStream, OStringToOUString(aValue, RTL_TEXTENCODING_UTF8));
+    rStream.WriteChar('"');
+}
+
+void HtmlWriter::attribute(std::string_view aAttribute, std::string_view aValue)
+{
+    if (mbElementOpen && !aAttribute.empty() && !aValue.empty())
+    {
+        mrStream.WriteChar(' ');
+        writeAttribute(mrStream, aAttribute, aValue);
+    }
+}
+
+void HtmlWriter::attribute(std::string_view aAttribute, const sal_Int32 aValue)
+{
+    attribute(aAttribute, OString::number(aValue));
+}
+
+void HtmlWriter::attribute(std::string_view aAttribute, const char* pValue)
+{
+    attribute(aAttribute, std::string_view(pValue));
+}
+
+void HtmlWriter::attribute(std::string_view aAttribute, std::u16string_view aValue)
+{
+    attribute(aAttribute, OUStringToOString(aValue, RTL_TEXTENCODING_UTF8));
+}
+
+void HtmlWriter::attribute(std::string_view aAttribute)
+{
+    if (mbElementOpen && !aAttribute.empty())
+    {
+        mrStream.WriteChar(' ');
+        mrStream.WriteOString(aAttribute);
+    }
+}
+
+void HtmlWriter::characters(std::string_view rChars)
+{
+    if (!mbCharactersWritten)
+        mrStream.WriteCharPtr(">");
+    mrStream.WriteOString(rChars);
+    mbCharactersWritten = true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */