char*
ncuribuild(NCURI* duri, const char* prefix, const char* suffix, int flags)
{
size_t len = 0;
char* newuri;
char* tmpfile;
char* tmpsuffix;
char* tmpquery;
int nparams = 0;
int paramslen = 0;
/* if both are specified, prefix has priority */
int withsuffixparams = ((flags&NCURISUFFIXPARAMS)!=0
&& duri->params != NULL);
int withprefixparams = ((flags&NCURIPREFIXPARAMS)!=0
&& duri->params != NULL);
int withuserpwd = ((flags&NCURIUSERPWD)!=0
&& duri->user != NULL && duri->password != NULL);
int withconstraints = ((flags&NCURICONSTRAINTS)!=0
&& duri->constraint != NULL);
#ifdef NEWESCAPE
int encode = (flags&NCURIENCODE);
#else
int encode = 0;
#endif
if(prefix != NULL) len += NILLEN(prefix);
len += (NILLEN(duri->protocol)+NILLEN("://"));
if(withuserpwd) {
len += (NILLEN(duri->user)+NILLEN(duri->password)+NILLEN(":@"));
}
len += (NILLEN(duri->host));
if(duri->port != NULL) {
len += (NILLEN(":")+NILLEN(duri->port));
}
tmpfile = duri->file;
if(encode)
tmpfile = ncuriencode(tmpfile,fileallow);
len += (NILLEN(tmpfile));
if(suffix != NULL) {
tmpsuffix = (char*)suffix;
if(encode)
tmpsuffix = ncuriencode(tmpsuffix,fileallow);
len += (NILLEN(tmpsuffix));
}
if(withconstraints) {
tmpquery = duri->constraint;
if(encode)
tmpquery = ncuriencode(tmpquery,queryallow);
len += (NILLEN("?")+NILLEN(tmpquery));
}
if(withprefixparams || withsuffixparams) {
char** p;
if(duri->paramlist == NULL)
if(!ncuridecodeparams(duri))
return NULL;
for(paramslen=0,nparams=0,p=duri->paramlist;*p;p++) {
nparams++;
paramslen += NILLEN(*p);
}
if(nparams % 2 == 1)
return NULL; /* malformed */
nparams = (nparams / 2);
len += paramslen;
len += 3*nparams; /* for brackets for every param plus possible = */
if(withsuffixparams)
len += strlen("#");
}
len += 1; /* null terminator */
newuri = (char*)malloc(len);
if(newuri == NULL) return NULL;
newuri[0] = EOFCHAR;
if(prefix != NULL) strcat(newuri,prefix);
if(withprefixparams) {
ncappendparams(newuri,duri->paramlist);
}
if(duri->protocol != NULL)
strcat(newuri,duri->protocol);
strcat(newuri,"://");
if(withuserpwd) {
strcat(newuri,duri->user);
strcat(newuri,":");
strcat(newuri,duri->password);
strcat(newuri,"@");
}
if(duri->host != NULL) { /* may be null if using file: protocol */
strcat(newuri,duri->host);
}
if(duri->port != NULL) {
strcat(newuri,":");
strcat(newuri,duri->port);
}
if(tmpfile != NULL) {
strcat(newuri,tmpfile);
if(suffix != NULL) strcat(newuri,tmpsuffix);
}
if(withconstraints) {
strcat(newuri,"?");
strcat(newuri,tmpquery);
}
if(withsuffixparams & !withprefixparams) {
strcat(newuri,"#");
ncappendparams(newuri,duri->paramlist);
}
return newuri;
}
char*
nc_uribuild(NC_URI* duri, const char* prefix, const char* suffix, int pieces)
{
size_t len = 0;
char* newuri;
int withparams = ((pieces&NC_URIPARAMS)
&& duri->params != NULL);
int withuserpwd = ((pieces&NC_URIUSERPWD)
&& duri->user != NULL && duri->password != NULL);
int withconstraints = ((pieces&NC_URICONSTRAINTS)
&& duri->constraint != NULL);
if(prefix != NULL) len += NILLEN(prefix);
if(withparams) {
len += NILLEN("[]");
len += NILLEN(duri->params);
}
len += (NILLEN(duri->protocol)+NILLEN("://"));
if(withuserpwd) {
len += (NILLEN(duri->user)+NILLEN(duri->password)+NILLEN(":@"));
}
len += (NILLEN(duri->host));
if(duri->port != NULL) {
len += (NILLEN(":")+NILLEN(duri->port));
}
len += (NILLEN(duri->file));
if(suffix != NULL) len += NILLEN(suffix);
if(withconstraints) {
len += (NILLEN("?")+NILLEN(duri->constraint));
}
len += 1; /* null terminator */
newuri = (char*)malloc(len);
if(!newuri) return NULL;
newuri[0] = '\0';
if(prefix != NULL) strcat(newuri,prefix);
if(withparams) {
strcat(newuri,"[");
strcat(newuri,duri->params);
strcat(newuri,"]");
}
strcat(newuri,duri->protocol);
strcat(newuri,"://");
if(withuserpwd) {
strcat(newuri,duri->user);
strcat(newuri,":");
strcat(newuri,duri->password);
strcat(newuri,"@");
}
if(duri->host != NULL) { /* may be null if using file: protocol */
strcat(newuri,duri->host);
}
if(duri->port != NULL) {
strcat(newuri,":");
strcat(newuri,duri->port);
}
strcat(newuri,duri->file);
if(suffix != NULL) strcat(newuri,suffix);
if(withconstraints) {
strcat(newuri,"?");
strcat(newuri,duri->constraint);
}
return newuri;
}
