Add m-esr52 at 52.6.0

1 files changed, 140 insertions, 0 deletions

diff --git a/dom/xslt/xpath/txIXPathContext.h b/dom/xslt/xpath/txIXPathContext.h
new file mode 100644
index 000000000..ed5f81a53
--- /dev/null
+++ b/dom/xslt/xpath/txIXPathContext.h
@@ -0,0 +1,140 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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/. */
+
+#ifndef __TX_I_XPATH_CONTEXT
+#define __TX_I_XPATH_CONTEXT
+
+#include "txCore.h"
+
+class FunctionCall;
+class nsIAtom;
+class txAExprResult;
+class txResultRecycler;
+class txXPathNode;
+
+/*
+ * txIParseContext
+ *
+ * This interface describes the context needed to create
+ * XPath Expressions and XSLT Patters.
+ * (not completely though. key() requires the ProcessorState, which is 
+ * not part of this interface.)
+ */
+
+class txIParseContext
+{
+public:
+    virtual ~txIParseContext()
+    {
+    }
+
+    /*
+     * Return a namespaceID for a given prefix.
+     */
+    virtual nsresult resolveNamespacePrefix(nsIAtom* aPrefix, int32_t& aID) = 0;
+
+    /*
+     * Create a FunctionCall, needed for extension function calls and
+     * XSLT. XPath function calls are resolved by the Parser.
+     */
+    virtual nsresult resolveFunctionCall(nsIAtom* aName, int32_t aID,
+                                         FunctionCall** aFunction) = 0;
+
+    /**
+     * Should nametests parsed in this context be case-sensitive
+     */
+    virtual bool caseInsensitiveNameTests() = 0;
+
+    /*
+     * Callback to be used by the Parser if errors are detected.
+     */
+    virtual void SetErrorOffset(uint32_t aOffset) = 0;
+
+    enum Allowed {
+        KEY_FUNCTION = 1 << 0
+    };
+    virtual bool allowed(Allowed aAllowed)
+    {
+        return true;
+    }
+};
+
+/*
+ * txIMatchContext
+ *
+ * Interface used for matching XSLT Patters.
+ * This is the part of txIEvalContext (see below), that is independent
+ * of the context node when evaluating a XPath expression, too.
+ * When evaluating a XPath expression, |txIMatchContext|s are used
+ * to transport the information from Step to Step.
+ */
+class txIMatchContext
+{
+public:
+    virtual ~txIMatchContext()
+    {
+    }
+
+    /*
+     * Return the ExprResult associated with the variable with the 
+     * given namespace and local name.
+     */
+    virtual nsresult getVariable(int32_t aNamespace, nsIAtom* aLName,
+                                 txAExprResult*& aResult) = 0;
+
+    /*
+     * Is whitespace stripping allowed for the given node?
+     * See http://www.w3.org/TR/xslt#strip
+     */
+    virtual bool isStripSpaceAllowed(const txXPathNode& aNode) = 0;
+
+    /**
+     * Returns a pointer to the private context
+     */
+    virtual void* getPrivateContext() = 0;
+
+    virtual txResultRecycler* recycler() = 0;
+
+    /*
+     * Callback to be used by the expression/pattern if errors are detected.
+     */
+    virtual void receiveError(const nsAString& aMsg, nsresult aRes) = 0;
+};
+
+#define TX_DECL_MATCH_CONTEXT \
+    nsresult getVariable(int32_t aNamespace, nsIAtom* aLName, \
+                         txAExprResult*& aResult); \
+    bool isStripSpaceAllowed(const txXPathNode& aNode); \
+    void* getPrivateContext(); \
+    txResultRecycler* recycler(); \
+    void receiveError(const nsAString& aMsg, nsresult aRes)
+
+class txIEvalContext : public txIMatchContext
+{
+public:
+    /*
+     * Get the context node.
+     */
+    virtual const txXPathNode& getContextNode() = 0;
+
+    /*
+     * Get the size of the context node set.
+     */
+    virtual uint32_t size() = 0;
+
+    /*
+     * Get the position of the context node in the context node set,
+     * starting with 1.
+     */
+    virtual uint32_t position() = 0;
+};
+
+#define TX_DECL_EVAL_CONTEXT \
+    TX_DECL_MATCH_CONTEXT; \
+    const txXPathNode& getContextNode(); \
+    uint32_t size(); \
+    uint32_t position()
+
+#endif // __TX_I_XPATH_CONTEXT