Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 186 insertions, 0 deletions

diff --git a/include/xmlreader/xmlreader.hxx b/include/xmlreader/xmlreader.hxx
new file mode 100644
index 000000000..e55e5d2ca
--- /dev/null
+++ b/include/xmlreader/xmlreader.hxx
@@ -0,0 +1,186 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <stack>
+#include <vector>
+
+#include <osl/file.h>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <xmlreader/detail/xmlreaderdllapi.hxx>
+#include <xmlreader/pad.hxx>
+#include <xmlreader/span.hxx>
+
+namespace xmlreader {
+
+class OOO_DLLPUBLIC_XMLREADER XmlReader {
+public:
+    explicit XmlReader(OUString const & fileUrl);
+
+    ~XmlReader();
+
+    enum { NAMESPACE_NONE = -2, NAMESPACE_UNKNOWN = -1, NAMESPACE_XML = 0 };
+
+    enum class Text { NONE, Raw, Normalized };
+
+    enum class Result { Begin, End, Text, Done };
+
+    int registerNamespaceIri(Span const & iri);
+
+    // RESULT_BEGIN: data = localName, ns = ns
+    // RESULT_END: data, ns unused
+    // RESULT_TEXT: data = text, ns unused
+    Result nextItem(Text reportText, Span * data, int * nsId);
+
+    bool nextAttribute(int * nsId, Span * localName);
+
+    // the span returned by getAttributeValue is only valid until the next call
+    // to nextItem or getAttributeValue
+    Span getAttributeValue(bool fullyNormalize);
+
+    int getNamespaceId(Span const & prefix) const;
+
+    const OUString& getUrl() const { return fileUrl_;}
+
+private:
+    XmlReader(const XmlReader&) = delete;
+    XmlReader& operator=(const XmlReader&) = delete;
+
+    typedef std::vector< Span > NamespaceIris;
+
+    // If NamespaceData (and similarly ElementData and AttributeData) is made
+    // SAL_DLLPRIVATE, at least gcc 4.2.3 erroneously warns about
+    // "'xmlreader::XmlReader' declared with greater visibility than the type of
+    // its field 'xmlreader::XmlReader::namespaces_'" (and similarly for
+    // elements_ and attributes_):
+
+    struct NamespaceData {
+        Span prefix;
+        int nsId;
+
+        NamespaceData():
+            nsId(-1) {}
+
+        NamespaceData(Span const & thePrefix, int theNsId):
+            prefix(thePrefix), nsId(theNsId) {}
+    };
+
+    typedef std::vector< NamespaceData > NamespaceList;
+
+    struct ElementData {
+        Span name;
+        NamespaceList::size_type inheritedNamespaces;
+        int defaultNamespaceId;
+
+        ElementData(
+            Span const & theName,
+            NamespaceList::size_type theInheritedNamespaces,
+            int theDefaultNamespaceId):
+            name(theName), inheritedNamespaces(theInheritedNamespaces),
+            defaultNamespaceId(theDefaultNamespaceId)
+        {}
+    };
+
+    typedef std::stack< ElementData > ElementStack;
+
+    struct AttributeData {
+        char const * nameBegin;
+        char const * nameEnd;
+        char const * nameColon;
+        char const * valueBegin;
+        char const * valueEnd;
+
+        AttributeData(
+            char const * theNameBegin, char const * theNameEnd,
+            char const * theNameColon, char const * theValueBegin,
+            char const * theValueEnd):
+            nameBegin(theNameBegin), nameEnd(theNameEnd),
+            nameColon(theNameColon), valueBegin(theValueBegin),
+            valueEnd(theValueEnd)
+        {}
+    };
+
+    typedef std::vector< AttributeData > Attributes;
+
+    enum class State { Content, StartTag, EndTag, EmptyElementTag, Done };
+
+    SAL_DLLPRIVATE char read() { return pos_ == end_ ? '\0' : *pos_++; }
+
+    SAL_DLLPRIVATE char peek() const { return pos_ == end_ ? '\0' : *pos_; }
+
+    SAL_DLLPRIVATE void normalizeLineEnds(Span const & text);
+
+    SAL_DLLPRIVATE void skipSpace();
+
+    SAL_DLLPRIVATE bool skipComment();
+
+    SAL_DLLPRIVATE void skipProcessingInstruction();
+
+    SAL_DLLPRIVATE void skipDocumentTypeDeclaration();
+
+    SAL_DLLPRIVATE Span scanCdataSection();
+
+    SAL_DLLPRIVATE bool scanName(char const ** nameColon);
+
+    SAL_DLLPRIVATE int scanNamespaceIri(
+        char const * begin, char const * end);
+
+    SAL_DLLPRIVATE char const * handleReference(
+        char const * position, char const * end);
+
+    SAL_DLLPRIVATE Span handleAttributeValue(
+        char const * begin, char const * end, bool fullyNormalize);
+
+    SAL_DLLPRIVATE Result handleStartTag(int * nsId, Span * localName);
+
+    SAL_DLLPRIVATE Result handleEndTag();
+
+    SAL_DLLPRIVATE void handleElementEnd();
+
+    SAL_DLLPRIVATE Result handleSkippedText(Span * data, int * nsId);
+
+    SAL_DLLPRIVATE Result handleRawText(Span * text);
+
+    SAL_DLLPRIVATE Result handleNormalizedText(Span * text);
+
+    SAL_DLLPRIVATE static int toNamespaceId(NamespaceIris::size_type pos);
+
+    OUString const fileUrl_;
+    oslFileHandle fileHandle_;
+    sal_uInt64 fileSize_;
+    void * fileAddress_;
+    NamespaceIris namespaceIris_;
+    NamespaceList namespaces_;
+    ElementStack elements_;
+    char const * pos_;
+    char const * end_;
+    State state_;
+    Attributes attributes_;
+    Attributes::iterator currentAttribute_;
+    bool firstAttribute_;
+    Pad pad_;
+};
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */