From 1cbe472072346422cfeeb5a16bcf05bc34fac3ea Mon Sep 17 00:00:00 2001
From: PeiYong Zhang <peiyongz@apache.org>
Date: Wed, 11 Aug 2004 16:17:58 +0000
Subject: [PATCH] Light weight parsing method
git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@175975 13f79535-47bb-0310-9956-ffa450edef68
---
src/xercesc/util/XMLBigDecimal.cpp | 71 ++++++++++++++++++++++++++++++
src/xercesc/util/XMLBigDecimal.hpp | 14 ++++++
2 files changed, 85 insertions(+)
diff --git a/src/xercesc/util/XMLBigDecimal.cpp b/src/xercesc/util/XMLBigDecimal.cpp
index b998f6d15..ecac4ca05 100644
--- a/src/xercesc/util/XMLBigDecimal.cpp
+++ b/src/xercesc/util/XMLBigDecimal.cpp
@@ -56,6 +56,9 @@
/*
* $Log$
+ * Revision 1.23 2004/08/11 16:17:58 peiyongz
+ * Light weight parsing method
+ *
* Revision 1.22 2004/03/19 01:15:55 peiyongz
* store/load fRawData
*
@@ -420,6 +423,74 @@ void XMLBigDecimal::parseDecimal(const XMLCh* const toParse
return;
}
+void XMLBigDecimal::parseDecimal(const XMLCh* const toParse
+ , MemoryManager* const manager)
+{
+
+ // Strip leading white space, if any.
+ const XMLCh* startPtr = toParse;
+ while (XMLChar1_0::isWhitespace(*startPtr))
+ startPtr++;
+
+ // If we hit the end, then return failure
+ if (!*startPtr)
+ ThrowXMLwithMemMgr(NumberFormatException, XMLExcepts::XMLNUM_WSString, manager);
+
+ // Strip tailing white space, if any.
+ const XMLCh* endPtr = toParse + XMLString::stringLen(toParse);
+ while (XMLChar1_0::isWhitespace(*(endPtr - 1)))
+ endPtr--;
+
+ // '+' or '-' is allowed only at the first position
+ // and is NOT included in the return parsed string
+
+ if (*startPtr == chDash)
+ {
+ startPtr++;
+ }
+ else if (*startPtr == chPlus)
+ {
+ startPtr++;
+ }
+
+ // Strip leading zeros
+ while (*startPtr == chDigit_0)
+ startPtr++;
+
+ // containning zero, only zero, nothing but zero
+ // it is a zero, indeed
+ if (startPtr >= endPtr)
+ {
+ return;
+ }
+
+ // Scan data
+ bool dotSignFound = false;
+ while (startPtr < endPtr)
+ {
+ if (*startPtr == chPeriod)
+ {
+ if (!dotSignFound)
+ {
+ dotSignFound = true;
+ startPtr++;
+ continue;
+ }
+ else // '.' is allowed only once
+ ThrowXMLwithMemMgr(NumberFormatException, XMLExcepts::XMLNUM_2ManyDecPoint, manager);
+ }
+
+ // If not valid decimal digit, then an error
+ if ((*startPtr < chDigit_0) || (*startPtr > chDigit_9))
+ ThrowXMLwithMemMgr(NumberFormatException, XMLExcepts::XMLNUM_Inv_chars, manager);
+
+ startPtr++;
+
+ }
+
+ return;
+}
+
int XMLBigDecimal::compareValues( const XMLBigDecimal* const lValue
, const XMLBigDecimal* const rValue
, MemoryManager* const manager)
diff --git a/src/xercesc/util/XMLBigDecimal.hpp b/src/xercesc/util/XMLBigDecimal.hpp
index 33a8e8612..57085c22d 100644
--- a/src/xercesc/util/XMLBigDecimal.hpp
+++ b/src/xercesc/util/XMLBigDecimal.hpp
@@ -111,6 +111,12 @@ public:
, MemoryManager* const manager
);
+ static void parseDecimal
+ (
+ const XMLCh* const toParse
+ , MemoryManager* const manager
+ );
+
/**
*
* Deprecated: please use getRawData
@@ -130,6 +136,8 @@ public:
unsigned int getTotalDigit() const;
+ inline XMLCh* getIntVal() const;
+
/**
* Compares this object to the specified object.
*
@@ -196,6 +204,7 @@ private:
XMLCh* fRawData;
XMLCh* fIntVal;
MemoryManager* fMemoryManager;
+
};
inline int XMLBigDecimal::getSign() const
@@ -233,6 +242,11 @@ inline MemoryManager* XMLBigDecimal::getMemoryManager() const
return fMemoryManager;
}
+inline XMLCh* XMLBigDecimal::getIntVal() const
+{
+ return fIntVal;
+}
+
//
// The caller needs to de-allocate the memory allocated by this function
//
--
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