using namespace std;
typedef string EntryValueType; // same type as gdcmValEntry::value
-typedef list<gdcmTagKey, EntryValueType> ListEntryValues;
+typedef map< gdcmTagKey, EntryValueType > MapEntryValues;
+typedef MapEntryValues* MapEntryValuesPtr;
typedef string FileNameType;
-typedef map<FileNameType, ListEntryValues*> MapFileValuesType;
+typedef map< FileNameType, MapEntryValuesPtr > MapFileValuesType;
+
+struct ParserException
+{
+ string error;
+ static string Indent;
+
+ static string GetIndent() { return ParserException::Indent; }
+ ParserException( string ErrorMessage )
+ {
+ error = ErrorMessage;
+ Indent = " ";
+ }
+ void Print() { cerr << Indent << error << endl; }
+};
+
+string ParserException::Indent = " ";
class ReferenceFileParser
{
+ bool AddKeyValuePairToMap( string& key, string& value );
+
istream& eatwhite(istream& is);
void eatwhite(string& toClean);
string ExtractFirstString(string& toSplit);
- string ExtractValue(string& toSplit);
void CleanUpLine( string& line );
- void DisplayLine();
- bool FirstPassReferenceFile();
- bool SecondPassReferenceFile();
- bool HandleFileName( string& line );
- bool HandleKey( string& line );
- bool HandleValue( string& line );
+ string ExtractValue(string& toSplit) throw ( ParserException );
+ void ParseRegularLine( string& line ) throw ( ParserException );
+ void FirstPassReferenceFile() throw ( ParserException );
+ bool SecondPassReferenceFile() throw ( ParserException );
+ void HandleFileName( string& line ) throw ( ParserException );
+ void HandleKey( string& line ) throw ( ParserException );
+ bool HandleValue( string& line ) throw ( ParserException );
+ static uint16_t axtoi( char* );
public:
ReferenceFileParser();
bool Open( string& referenceFileName );
+ void Print();
+ void SetDataPath(string&);
+ bool Check();
private:
+ /// The directory containing the images to check:
+ string DataPath;
+
+ /// The product of the parser:
+ MapFileValuesType ProducedMap;
+
/// The ifstream attached to the file we parse:
ifstream from;
- /// True when things went wrong, false otherwise
- bool ParsingFailed;
-
/// String prefixing every output
string Indent;
/// The current line position within the stream:
int lineNumber;
+ /// The currently parsed filename:
string CurrentFileName;
+
+ /// The currently parsed key:
string CurrentKey;
+
+ /// The currently parsed value:
string CurrentValue;
- string CurrentErrorMessage;
+
+ /// The current MapEntryValues pointer:
+ MapEntryValues* CurrentMapEntryValuesPtr;
};
+/// As gotten from:
+/// http://community.borland.com/article/0,1410,17203,0.html
+uint16_t ReferenceFileParser::axtoi(char *hexStg) {
+ int n = 0; // position in string
+ int m = 0; // position in digit[] to shift
+ int count; // loop index
+ int intValue = 0; // integer value of hex string
+ int digit[5]; // hold values to convert
+ while (n < 4) {
+ if (hexStg[n]=='\0')
+ break;
+ if (hexStg[n] > 0x29 && hexStg[n] < 0x40 ) //if 0 to 9
+ digit[n] = hexStg[n] & 0x0f; //convert to int
+ else if (hexStg[n] >='a' && hexStg[n] <= 'f') //if a to f
+ digit[n] = (hexStg[n] & 0x0f) + 9; //convert to int
+ else if (hexStg[n] >='A' && hexStg[n] <= 'F') //if A to F
+ digit[n] = (hexStg[n] & 0x0f) + 9; //convert to int
+ else break;
+ n++;
+ }
+ count = n;
+ m = n - 1;
+ n = 0;
+ while(n < count) {
+ // digit[n] is value of hex digit at position n
+ // (m << 2) is the number of positions to shift
+ // OR the bits into return value
+ intValue = intValue | (digit[n] << (m << 2));
+ m--; // adjust the position to set
+ n++; // next digit to process
+ }
+ return (intValue);
+}
+
+void ReferenceFileParser::SetDataPath( string& inDataPath )
+{
+ DataPath = inDataPath;
+}
+
+bool ReferenceFileParser::AddKeyValuePairToMap( string& key, string& value )
+{
+ if ( !CurrentMapEntryValuesPtr )
+ return false;
+ if ( CurrentMapEntryValuesPtr->count(key) != 0 )
+ return false;
+ (*CurrentMapEntryValuesPtr)[key] = value;
+}
+
+void ReferenceFileParser::Print()
+{
+ for (MapFileValuesType::iterator i = ProducedMap.begin();
+ i != ProducedMap.end();
+ ++i)
+ {
+ cout << Indent << "FileName: " << i->first << endl;
+ MapEntryValuesPtr KeyValues = i->second;
+ for (MapEntryValues::iterator j = KeyValues->begin();
+ j != KeyValues->end();
+ ++j)
+ {
+ cout << Indent
+ << " Key: " << j->first
+ << " Value: " << j->second
+ << endl;
+ }
+ cout << Indent << endl;
+ }
+ cout << Indent << endl;
+}
+
+bool ReferenceFileParser::Check()
+{
+ for (MapFileValuesType::iterator i = ProducedMap.begin();
+ i != ProducedMap.end();
+ ++i)
+ {
+ string fileName = DataPath + i->first;
+ cout << Indent << "FileName: " << fileName << endl;
+ gdcmHeader* tested = new gdcmHeader( fileName.c_str(), false, true );
+ if( !tested->IsReadable() )
+ {
+ cerr << Indent << "Image not gdcm compatible:"
+ << fileName << endl;
+ delete tested;
+ return false;
+ }
+
+ MapEntryValuesPtr KeyValues = i->second;
+ for (MapEntryValues::iterator j = KeyValues->begin();
+ j != KeyValues->end();
+ ++j)
+ {
+ string key = j->first;
+
+ string groupString = key.substr( 0, 4 );
+ char* groupCharPtr;
+ groupCharPtr = new char(groupString.length() + 1);
+ strcpy( groupCharPtr, groupString.c_str() );
+
+ string groupElement = key.substr( key.find_first_of( "|" ) + 1, 4 );
+ char* groupElementPtr;
+ groupElementPtr = new char(groupElement.length() + 1);
+ strcpy( groupElementPtr, groupElement.c_str() );
+
+ uint16_t group = axtoi( groupCharPtr );
+ uint16_t element = axtoi( groupElementPtr );
+
+ string testedValue = tested->GetEntryByNumber(group, element);
+ if ( testedValue != j->second )
+ {
+ cout << Indent << "Uncorrect value for key " << key << endl
+ << Indent << " read value " << testedValue << endl
+ << Indent << " reference value " << j->second << endl;
+ return false;
+ }
+ }
+ delete tested;
+ cout << Indent << endl;
+ }
+ cout << Indent << endl;
+}
+
istream& ReferenceFileParser::eatwhite( istream& is )
{
char c;
}
string ReferenceFileParser::ExtractValue( string& toSplit )
+ throw ( ParserException )
{
eatwhite( toSplit );
string::size_type beginPos = toSplit.find_first_of( '"' );
// Make sure we have at most to " in toSplit:
string noQuotes = toSplit.substr( beginPos + 1, endPos - beginPos - 1);
if ( noQuotes.find_first_of( '"' ) != string::npos )
- {
- CurrentErrorMessage = "more than two quote character";
- return string();
- }
+ throw ParserException( "more than two quote character" );
// No leading quote means this is not a value:
if ( beginPos == string::npos )
}
if ( ( endPos == string::npos ) || ( beginPos == endPos ) )
- {
- CurrentErrorMessage = "unmatched \" (quote character)";
- return string();
- }
+ throw ParserException( "unmatched \" (quote character)" );
if ( beginPos != 0 )
{
error << "leading character ["
<< toSplit.substr(beginPos -1, 1)
<< "] before opening \" ";
- CurrentErrorMessage = error.str();
- return string();
+ throw ParserException( error.str() );
}
// When they are some extra characters at end of value, it must
error << "trailing character ["
<< toSplit.substr(endPos + 1, 1)
<< "] after value closing \" ";
- CurrentErrorMessage = error.str();
- return string();
+ throw ParserException( error.str() );
}
string value = toSplit.substr( beginPos + 1, endPos - beginPos - 1 );
/// @param from The incoming ifstream to be checked.
/// @return True when incoming ifstream has a correct syntax, false otherwise.
/// \warning The underlying file pointer is not preseved.
-bool ReferenceFileParser::FirstPassReferenceFile()
+void ReferenceFileParser::FirstPassReferenceFile() throw ( ParserException )
{
string line;
lineNumber = 1;
if ( ! inBlock )
break;
else
- {
- cerr << Indent << "Syntax error: EOF reached when in block." << endl;
- ParsingFailed = true;
- break;
- }
+ throw ParserException( "Syntax error: EOF reached when in block.");
}
// Don't try to parse comments (weed out anything after first "#"):
// blocks which is illegal:
if ( line.find_first_of( "[" ) != line.find_last_of( "[" ) )
{
- cerr << Indent
- << "Syntax error: nested block (open) in reference file"
- << endl
- << Indent << "at line " << lineNumber << endl;
- ParsingFailed = true;
- break;
+ ostringstream error;
+ error << "Syntax error: nested block (open) in reference file"
+ << endl
+ << ParserException::GetIndent()
+ << " at line " << lineNumber << endl;
+ throw ParserException( error.str() );
}
// Two occurences of closing blocks on a single line implies nested
// blocks which is illegal:
if ( line.find_first_of( "]" ) != line.find_last_of( "]" ) )
{
- cerr << Indent
- << "Syntax error: nested block (close) in reference file"
- << endl
- << Indent << "at line " << lineNumber << endl;
- ParsingFailed = true;
- break;
+ ostringstream error;
+ error << "Syntax error: nested block (close) in reference file"
+ << endl
+ << ParserException::GetIndent()
+ << " at line " << lineNumber << endl;
+ throw ParserException( error.str() );
}
bool beginBlock ( line.find_first_of("[") != string::npos );
// Opening and closing of block on same line:
if ( beginBlock && endBlock )
{
- cerr << Indent
- << "Syntax error: opening and closing on block on same line "
- << lineNumber++ << endl;
- ParsingFailed = true;
- break;
+ ostringstream error;
+ error << "Syntax error: opening and closing on block on same line "
+ << lineNumber++ << endl;
+ throw ParserException( error.str() );
}
// Illegal closing block when block not open:
if ( !inBlock && endBlock )
{
- cerr << Indent << "Syntax error: unexpected end of block at line "
- << lineNumber++ << endl;
- ParsingFailed = true;
- break;
+ ostringstream error;
+ error << "Syntax error: unexpected end of block at line "
+ << lineNumber++ << endl;
+ throw ParserException( error.str() );
}
// Uncommented line outside of block is not clean:
if ( !inBlock && !beginBlock )
{
- cout << Indent
+ cerr << Indent
<< "Syntax warning: outside of block [] data at line "
<< lineNumber++ << " not considered." << endl;
continue;
if ( inBlock && beginBlock )
{
- cerr << " Syntax error: illegal opening of nested block at line "
- << lineNumber++ << endl;
- ParsingFailed = true;
- break;
+ ostringstream error;
+ error << " Syntax error: illegal opening of nested block at line "
+ << lineNumber++ << endl;
+ throw ParserException( error.str() );
}
// Normal situation of opening block:
// We need rewinding:
from.clear();
from.seekg( 0, ios::beg );
-
- return ! ParsingFailed;
}
ReferenceFileParser::ReferenceFileParser()
{
lineNumber = 1;
- ParsingFailed = false;
Indent = " ";
}
if ( !from.is_open() )
{
cerr << Indent << "Can't open reference file." << endl;
- ParsingFailed = true;
}
- if ( !FirstPassReferenceFile() )
+ try
+ {
+ FirstPassReferenceFile();
+ SecondPassReferenceFile();
+ }
+ catch ( ParserException except )
+ {
+ except.Print();
return false;
+ }
- SecondPassReferenceFile();
from.close();
}
eatwhite( line );
}
-bool ReferenceFileParser::HandleFileName( string& line )
+void ReferenceFileParser::HandleFileName( string& line )
+ throw ( ParserException )
{
if ( line.length() == 0 )
- {
- CurrentErrorMessage = "unfound filename";
- return false;
- }
+ throw ParserException( "empty line on call of HandleFileName" );
+
if ( CurrentFileName.length() != 0 )
- return true;
+ return;
+
CurrentFileName = ExtractFirstString(line);
- cout << Indent << "Found filename " << CurrentFileName << endl;
- return true;
}
-bool ReferenceFileParser::HandleKey( string& line )
+void ReferenceFileParser::HandleKey( string& line )
+ throw ( ParserException )
{
- if ( line.length() == 0 )
- return false;
-
if ( CurrentKey.length() != 0 )
- return false;
+ return;
CurrentKey = ExtractFirstString(line);
if ( CurrentKey.find_first_of( "|" ) == string::npos )
{
ostringstream error;
error << "uncorrect key:" << CurrentKey;
- CurrentErrorMessage = error.str();
- return false;
+ throw ParserException( error.str() );
}
- cout << Indent << "Found key:" << CurrentKey << endl;
- return true;
}
bool ReferenceFileParser::HandleValue( string& line )
+ throw ( ParserException )
{
if ( line.length() == 0 )
- {
- CurrentErrorMessage = "no value present";
- return false;
- }
+ throw ParserException( "empty line in HandleValue" );
if ( CurrentKey.length() == 0 )
{
string newCurrentValue = ExtractValue(line);
if ( newCurrentValue.length() == 0 )
{
- if ( CurrentErrorMessage.length() == 0 )
- {
- ostringstream error;
- error << "missing value for key:" << CurrentKey;
- CurrentErrorMessage = error.str();
- }
- return false;
+ ostringstream error;
+ error << "missing value for key:" << CurrentKey;
+ throw ParserException( error.str() );
}
- cout << Indent << "Found value:" << newCurrentValue << endl;
CurrentValue += newCurrentValue;
return true;
}
-void ReferenceFileParser::DisplayLine()
+void ReferenceFileParser::ParseRegularLine(string& line)
+ throw ( ParserException )
{
- cerr << Indent << "Syntax error at line " << lineNumber
- << ": " << CurrentErrorMessage << "." << endl;
+ if ( line.length() == 0 )
+ return;
+
+ // First thing is to get a filename:
+ HandleFileName( line );
+
+ if ( line.length() == 0 )
+ return;
+
+ // Second thing is to get a key:
+ HandleKey( line );
+
+ if ( line.length() == 0 )
+ return;
+
+ // Third thing is to get a value:
+ if ( ! HandleValue( line ) )
+ return;
+
+ if ( CurrentKey.length() && CurrentValue.length() )
+ {
+ if ( ! AddKeyValuePairToMap( CurrentKey, CurrentValue ) )
+ throw ParserException( "adding to map of (key, value) failed" );
+ CurrentKey.erase();
+ CurrentValue.erase();
+ }
}
bool ReferenceFileParser::SecondPassReferenceFile()
+ throw ( ParserException )
{
gdcmTagKey key;
EntryValueType value;
if ( beginBlock )
{
- cout << Indent << "Begin block" << endl;
inBlock = true;
line.erase( 0, line.find_first_of( "[" ) + 1 );
eatwhite( line );
+ CurrentMapEntryValuesPtr = new MapEntryValues();
}
else if ( endBlock )
{
- cout << Indent << "Detected End block" << endl;
line.erase( line.find_last_of( "]" ) );
eatwhite( line );
+ ParseRegularLine( line );
+ ProducedMap[CurrentFileName] = CurrentMapEntryValuesPtr;
+ inBlock = false;
+ CurrentFileName.erase();
}
-
+
// Outside block lines are dropped:
if ( ! inBlock )
continue;
- cout << Indent << "Default case:" << line << endl;
-
- // First thing is to get a filename:
- if ( ( ! HandleFileName( line ) ) && ( line.length() != 0 ) )
- {
- DisplayLine();
- return false;
- }
-
- // Second thing is to get a key:
- if ( ( ! HandleKey( line ) ) && ( line.length() != 0 ) )
- {
- ParsingFailed = true;
- }
-
- // Third thing is to get a value:
- if ( ( ! ParsingFailed )
- && ( ! HandleValue( line ) )
- && ( line.length() != 0) )
- {
- ParsingFailed = true;
- }
-
- if ( ( ! ParsingFailed )
- && CurrentKey.length()
- && CurrentValue.length() )
- {
- cout << Indent << "Need to handle pair ("
- << CurrentKey << ", " << CurrentValue << ")." << endl;
- CurrentKey.erase();
- CurrentValue.erase();
- }
-
- if ( ParsingFailed )
- {
- DisplayLine();
- return false;
- }
-
- if ( endBlock )
- {
- cout << Indent << "Need to handle end of block " << endl;
- inBlock = false;
- CurrentFileName.erase();
- }
-
- //key = TranslateToKey(group, element);
- ///tb1[key] = name.c_str();
- //cout << group << element << vr << fourth << name;
- //tb1[key] = "bozo";
+ ParseRegularLine( line );
}
}
<< " IsReadable(). "
<< endl;
- string referenceFilename = GDCM_DATA_ROOT;
- referenceFilename += "/"; //doh!
- referenceFilename += "TestAllEntryVerifyReference.txt";
+ string referenceDir = GDCM_DATA_ROOT;
+ referenceDir += "/";
+ string referenceFilename = referenceDir + "TestAllEntryVerifyReference.txt";
ReferenceFileParser Parser;
Parser.Open(referenceFilename);
+ Parser.SetDataPath(referenceDir);
+ // Parser.Print();
+ Parser.Check();
/*
int i = 0;
while( gdcmDataImages[i] != 0 )
git://git.creatis.insa-lyon.fr / gdcm.git / commitdiff