RetroZilla/extensions/transformiix/source/main/txTestExpr.cpp
2015-10-20 23:03:22 -04:00

146 lines
5.0 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is TransforMiiX XSLT processor code.
*
* The Initial Developer of the Original Code is
* Axel Hecht.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Axel Hecht <axel@pike.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsXPCOM.h"
#include "txStandaloneXSLTProcessor.h"
#include "nsString.h"
#include "ExprParser.h"
#include "txIXPathContext.h"
/**
* A ExprParser test exe
*/
static const char* kTokens[] = {"(", "concat", "(", "foo", ",", "'", "bar",
"'",")", "//", ".", "[", "preceding-sibling",
"::", "bar", "]", "/", "*", "[", "23", "]",
"|", "node", "(", ")", ")", "<", "3"};
static const PRUint8 kCount = sizeof(kTokens)/sizeof(char*);
class ParseContextImpl : public txIParseContext
{
public:
nsresult
resolveNamespacePrefix(nsIAtom* aPrefix, PRInt32& aID)
{
return NS_ERROR_FAILURE;
}
nsresult
resolveFunctionCall(nsIAtom* aName, PRInt32 aID, FunctionCall*& aFunction)
{
return NS_ERROR_XPATH_UNKNOWN_FUNCTION;
}
PRBool
caseInsensitiveNameTests()
{
return PR_FALSE;
}
void
SetErrorOffset(PRUint32 aOffset)
{
mOff = aOffset;
}
PRUint32 mOff;
};
static void doTest(const nsASingleFragmentString& aExpr)
{
ParseContextImpl ct;
nsAutoPtr<Expr> expression;
cout << NS_LossyConvertUTF16toASCII(aExpr).get() << endl;
ct.mOff = 0;
nsresult rv = txExprParser::createExpr(aExpr, &ct,
getter_Transfers(expression));
cout << "createExpr returned " << ios::hex << rv << ios::dec;
cout << " at " << ct.mOff << endl;
if (NS_FAILED(rv)) {
NS_LossyConvertUTF16toASCII cstring(aExpr);
cout << NS_LossyConvertUTF16toASCII(StringHead(aExpr, ct.mOff)).get();
cout << " ^ ";
cout << NS_LossyConvertUTF16toASCII(StringTail(aExpr, aExpr.Length()-ct.mOff)).get();
cout << endl << endl;
}
#ifdef TX_TO_STRING
else {
nsAutoString expr;
expression->toString(expr);
cout << "parsed expression: ";
cout << NS_LossyConvertUTF16toASCII(expr).get() << endl << endl;
}
#endif
}
int main(int argc, char** argv)
{
using namespace std;
nsresult rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
NS_ENSURE_SUCCESS(rv, rv);
if (!txXSLTProcessor::init())
return 1;
nsAutoString exprOrig, expr;
nsStringArray exprHead, exprTail;
PRUint8 i, dropStart, dropEnd;
exprHead.AppendString(NS_ConvertASCIItoUTF16(kTokens[0]));
exprTail.AppendString(NS_ConvertASCIItoUTF16(kTokens[kCount - 1]));
for (i = 2; i < kCount; ++i) {
exprHead.AppendString(*exprHead[i - 2] +
NS_ConvertASCIItoUTF16(kTokens[i - 1]));
exprTail.AppendString(NS_ConvertASCIItoUTF16(kTokens[kCount - i]) +
*exprTail[i - 2]);
}
exprOrig = NS_ConvertASCIItoUTF16(kTokens[0]) + *exprTail[kCount - 2];
cout << NS_LossyConvertUTF16toASCII(exprOrig).get() << endl << endl;
for (dropStart = 0; dropStart < kCount - 2; ++dropStart) {
doTest(*exprTail[kCount - 2 - dropStart]);
for (dropEnd = kCount - 3 - dropStart; dropEnd > 0; --dropEnd) {
expr = *exprHead[dropStart] + *exprTail[dropEnd];
doTest(expr);
}
doTest(*exprHead[dropStart]);
}
doTest(*exprHead[kCount - 2]);
txXSLTProcessor::shutdown();
rv = NS_ShutdownXPCOM(nsnull);
NS_ENSURE_SUCCESS(rv, rv);
return 0;
}