// Set the value from xml. The chars at *offset into valueXml
// should be the start of a <value> tag. Destroys any existing value.
bool XmlRpcValue::fromXml(std::string const& valueXml, int* offset)
{
int savedOffset = *offset;
invalidate();
if ( ! XmlRpcUtil::nextTagIs(VALUE_TAG, valueXml, offset))
return false; // Not a value, offset not updated
int afterValueOffset = *offset;
std::string typeTag = XmlRpcUtil::getNextTag(valueXml, offset);
bool result = false;
if (typeTag == BOOLEAN_TAG)
result = boolFromXml(valueXml, offset);
else if (typeTag == I4_TAG || typeTag == INT_TAG)
result = intFromXml(valueXml, offset);
else if (typeTag == DOUBLE_TAG)
result = doubleFromXml(valueXml, offset);
else if (typeTag.empty() || typeTag == STRING_TAG)
result = stringFromXml(valueXml, offset);
else if (typeTag == DATETIME_TAG)
result = timeFromXml(valueXml, offset);
else if (typeTag == BASE64_TAG)
result = binaryFromXml(valueXml, offset);
else if (typeTag == ARRAY_TAG)
result = arrayFromXml(valueXml, offset);
else if (typeTag == STRUCT_TAG)
result = structFromXml(valueXml, offset);
// Watch for empty/blank strings with no <string>tag
else if (typeTag == VALUE_ETAG)
{
// back up & try again
*offset = afterValueOffset;
result = stringFromXml(valueXml, offset);
}
if (result) // Skip over the </value> tag
XmlRpcUtil::findTag(VALUE_ETAG, valueXml, offset);
else // Unrecognized tag after <value>
*offset = savedOffset;
return result;
}
// Set the value from xml. The chars at *offset into valueXml
// should be the start of a <value> tag. Destroys any existing value.
bool XmlRpcValue::fromXml(std::string const& valueXml, int* offset)
{
int savedOffset = *offset;
invalidate();
bool emptyTag;
if ( ! XmlRpcUtil::nextTagIs(VALUE_TAG, valueXml, offset, &emptyTag))
return false; // Not a value, offset not updated
// No value? Pretend its an empty string...
if (emptyTag)
{
*this = "";
return true;
}
// No type tag? Assume string
bool result = true;
int valueOffset = *offset;
if (XmlRpcUtil::nextTagIsEnd(VALUE_TAG, valueXml, offset))
{
return stringFromXml(valueXml, &valueOffset);
}
else if (XmlRpcUtil::nextTagIs(NIL_TAG, valueXml, offset, &emptyTag))
{
_type = TypeNil;
result = true;
}
else if (XmlRpcUtil::nextTagIs(BOOLEAN_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
*this = false;
else
result = boolFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(BOOLEAN_TAG, valueXml, offset);
}
else if (XmlRpcUtil::nextTagIs(I4_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
*this = 0;
else
result = intFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(I4_TAG, valueXml, offset);
}
else if (XmlRpcUtil::nextTagIs(INT_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
*this = 0;
else
result = intFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(INT_TAG, valueXml, offset);
}
else if (XmlRpcUtil::nextTagIs(DOUBLE_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
*this = 0.0;
else
result = doubleFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(DOUBLE_TAG, valueXml, offset);
}
else if (XmlRpcUtil::nextTagIs(STRING_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
*this = "";
else
result = stringFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(STRING_TAG, valueXml, offset);
}
else if (XmlRpcUtil::nextTagIs(DATETIME_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
result = false;
else
result = timeFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(DATETIME_TAG, valueXml, offset);
}
else if (XmlRpcUtil::nextTagIs(BASE64_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
result = binaryFromXml("", 0);
else
result = binaryFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(BASE64_TAG, valueXml, offset);
}
else if (XmlRpcUtil::nextTagIs(ARRAY_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
result = false;
else
result = arrayFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(ARRAY_TAG, valueXml, offset);
}
else if (XmlRpcUtil::nextTagIs(STRUCT_TAG, valueXml, offset, &emptyTag))
{
if (emptyTag)
result = false;
else
result = structFromXml(valueXml, offset) &&
XmlRpcUtil::nextTagIsEnd(STRUCT_TAG, valueXml, offset);
}
// Unrecognized tag after <value> or no </value>
if ( ! result || ! XmlRpcUtil::nextTagIsEnd(VALUE_TAG, valueXml, offset))
{
*offset = savedOffset;
return false;
}
return true;
}
