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/*
returns inputtype for a given string
Copyright (C) 1999 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#include "inputDetector.h"
#include <iostream>
using namespace std;
static const char *filestrglobal1="/";
static const char *filestrglobal2="./";
typedef struct prot2type_s {
const char* name;
int type;
} prot2type;
static prot2type protocols[]= { {"http:" , __INPUT_HTTP },
{"cdi:" , __INPUT_CDI },
{"vcd:" , __INPUT_CDI },
{"file:" , __INPUT_FILE },
{"cdda:" , __INPUT_CDDA },
{"audiocd:", __INPUT_CDDA },
{NULL , __INPUT_UNKNOWN} };
InputDetector::InputDetector() {
}
InputDetector::~InputDetector() {
}
int InputDetector::getProtocolPos(int type,const char* url) {
prot2type* current=protocols;
int i=0;
while(current->name != NULL) {
if (current->type == type) {
int len=strlen(current->name);
if (strncmp(url,current->name,len)==0) {
return i;
}
}
i++;
current++;
}
return -1;
}
int InputDetector::getProtocolType(const char* url) {
prot2type* current=protocols;
int n=strlen(url);
if (n > 0) {
while(current->name != NULL) {
int k=strlen(current->name);
if (n >= k) {
if (strncmp(url,current->name,k)==0) {
return current->type;
}
}
current++;
}
}
return __INPUT_UNKNOWN;
}
int InputDetector::getInputType(const char* url) {
int back=__INPUT_FILE;
if (url == NULL) {
return back;
}
back=InputDetector::getProtocolType(url);
if (back == __INPUT_UNKNOWN) {
back = __INPUT_FILE;
}
return back;
}
char* InputDetector::removeProtocol(const char* url) {
int type=InputDetector::getProtocolType(url);
int n=strlen(url);
if (n == 0) {
return NULL;
}
if (type == __INPUT_UNKNOWN) {
return strdup(url);
}
int pos=InputDetector::getProtocolPos(type,url);
if (pos == -1) {
return NULL;
}
const char* name=protocols[pos].name;
int k=strlen(name);
if (n >= k) {
return strdup(url+k);
}
return NULL;
}
char* InputDetector::getExtension(const char* url) {
if (url == NULL) {
cout << "get url NULL"<<endl;
return NULL;
}
char* back=NULL;
char* extStart=strrchr(url,'.');
if (extStart != NULL) {
cout << "extStart:"<<extStart<<endl;
back=strdup(extStart);
}
return back;
}
char* InputDetector::removeExtension(const char* url,char* extension) {
if (url == NULL) {
cout << "removeExtension url NULL"<<endl;
return NULL;
}
if (extension == NULL) {
cout << "removeExtension extension NULL"<<endl;
return strdup(url);
}
char* back=NULL;
int nExt=strlen(extension);
int nUrl=strlen(url);
cout << "extension:"<<extension<<" url:"<<url<<endl;
if (nUrl >= nExt) {
if(strncmp(url+nUrl-nExt,extension,nExt)==0) {
back=new char[nUrl-nExt+1];
back[nUrl-nExt]=0;
strncpy(back,url,nUrl-nExt);
}
}
cout << "removeExt:"<<back<<endl;
return back;
}
char* InputDetector::getWithoutExtension(const char* url) {
char* extension=NULL;
char* back=NULL;
if (url == NULL) {
return NULL;
}
extension=InputDetector::getExtension(url);
if (extension == NULL) {
back=strdup(url);
} else {
back=InputDetector::removeExtension(url,extension);
delete extension;
}
return back;
}
char* InputDetector::getFilename(const char* url) {
if (url == NULL) {
return NULL;
}
char* startSlash=strrchr(url,'/');
if (startSlash == NULL) {
return NULL;
}
if (strlen(startSlash) == 1) {
return NULL;
}
startSlash++;
if (*startSlash == 0) {
return NULL;
}
return strdup(startSlash);
}
char* InputDetector::removeSlash(const char* url) {
return InputDetector::removeExtension(url,(char*)"/");
}
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