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// fgbdfname.cc
#include "fgbdfname.h"
#ifndef _FGSTRING_H
#include "fgstring.h"
#endif
#ifndef _FGMRANK_H
#include "fgmrank.h"
#endif
#ifndef _FGSCOMP_H
#include "fgscomp.h"
#endif
#ifndef _FGICOMP_H
#include "fgicomp.h"
#endif
#ifndef _FGDYYMMDDCOMP_H
#include "fgdyymmddcomp.h"
#endif
#ifndef _FGCHARCOMP_H
#include "fgcharcomp.h"
#endif
#ifndef _FGEXC_H
#include "fgexc.h"
#endif
#ifndef __SGI_STL_VECTOR_H
#include <vector>
#endif
struct FGBrokenDownFileName::Internal_FGBrokenDownFileName {
std::vector<FGFileNameComponent*> mComponents;
};
FGBrokenDownFileName::FGBrokenDownFileName(const FGString& fname)
{
mpInternals = new Internal_FGBrokenDownFileName;
// Need to catch exceptions to clean up above resources
try {
// We must now parse the supplied filename into components
unsigned int index = 0;
// Parse state
bool esc = false;
bool inTok = false;
FGString bit;
while (index <= fname.GetLength()) {
char c = fname[index++];
if (c == '\0') {
// End of string
if (inTok) {
// Error!
throw FGException(FGException::kParseEndOfString);
}
if (bit.GetLength() > 0) {
FGFileNameComponent* pNew;
pNew = new FGStringComponent(bit);
mpInternals->mComponents.push_back(pNew);
}
} else if (esc || (c != '\\' && c != '<' && c != '>')) {
bit += c;
esc = false;
} else if (c == '\\') {
esc = true;
} else if (c == '<') {
if (inTok) {
throw FGException(FGException::kParseUnexpectedChar, "<");
}
inTok = true;
if (bit.GetLength() > 0) {
FGFileNameComponent* pNew;
pNew = new FGStringComponent(bit);
mpInternals->mComponents.push_back(pNew);
}
bit.MakeEmpty();
} else {
// c == '>'
if (!inTok) {
throw FGException(FGException::kParseUnexpectedChar, ">");
}
FGString strInt("int");
FGString strYYMMDD("YYMMDD");
FGString strChar("char");
FGString strOptChar("optchar");
if (bit == strInt) {
FGFileNameComponent* pNew;
pNew = new FGIntegerComponent;
mpInternals->mComponents.push_back(pNew);
} else if (bit == strYYMMDD) {
FGFileNameComponent* pNew;
pNew = new FGDateYYMMDDComponent;
mpInternals->mComponents.push_back(pNew);
} else if (bit == strChar) {
FGFileNameComponent* pNew;
pNew = new FGCharacterComponent(false);
mpInternals->mComponents.push_back(pNew);
} else if (bit == strOptChar) {
FGFileNameComponent* pNew;
pNew = new FGCharacterComponent(true);
mpInternals->mComponents.push_back(pNew);
} else {
throw FGException(FGException::kUnrecognizedComponent, bit);
}
inTok = false;
bit.MakeEmpty();
}
} // end while (more chars to parse)
} // end try block
catch (FGException&) {
delete this;
throw;
}
}
FGBrokenDownFileName::~FGBrokenDownFileName()
{
if (mpInternals) {
// Free the vector of pointers
std::vector<FGFileNameComponent*>::iterator iComps;
for (iComps = mpInternals->mComponents.begin();
iComps != mpInternals->mComponents.end(); iComps++) {
delete *iComps;
}
delete mpInternals;
}
}
FGMatchRanking
FGBrokenDownFileName::GetRanking(const FGString& cmp) const
{
FGMatchRanking ret;
FGString mangleCompare(cmp);
// Iterate through components
std::vector<FGFileNameComponent*>::const_iterator iComps;
for (iComps = mpInternals->mComponents.begin();
iComps != mpInternals->mComponents.end(); iComps++) {
int result = -1;
bool matched = (*iComps)->MatchAndRankComponent(mangleCompare,
&result);
if (matched == false) {
// Oh dear
FGMatchRanking duffRet;
return duffRet;
}
if (result != -1) {
ret.AddValue(result);
}
}
// Not a match if any unmatched string remains
if (mangleCompare.GetLength() > 0) {
FGMatchRanking duffRet;
return duffRet;
}
// It's a match.. this return value indicates how good a match
// i.e. linux-2.2.1.tar.gz is better that linux-2.2.0.tar.gz
ret.SetMatch();
return ret;
}
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