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/*************************************************************************
*
* HTCd - Copyright (C) 1998-2006 Henrik Rydberg
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <mt/mstring.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <stdarg.h>
uniheap<ms_mincaps> mstring::heap;
///////////////////////////////////////////////////////////////////
mstring::mstring() : sref(heap.push(),0),caps(ms_mincaps) {
map[dim]=0;
}
mstring::mstring(int n) : sref(heap.push(),0),caps(ms_mincaps) {
if(caps<n) { while(caps<n) caps<<=1; heap.pop(map); map=(char*)malloc(caps); }
map[dim=0]=0;
}
mstring::mstring(int n,char c) : sref(heap.push(),0),caps(ms_mincaps) {
resize(n);
memset(map,c,dim);
}
mstring::mstring(const char* s) : sref(heap.push(),0),caps(ms_mincaps) {
resize(strlen(s));
memcpy(map,s,dim);
}
mstring::mstring(const char* s,int n) : sref(heap.push(),0),caps(ms_mincaps) {
resize(n);
memcpy(map,s,dim);
}
mstring::mstring(const sref& s) : sref(heap.push(),0),caps(ms_mincaps) {
resize(s.size());
memcpy(map,s.data(),dim);
}
mstring::mstring(const mstring& s) : sref(heap.push(),0),caps(ms_mincaps) {
resize(s.dim);
memcpy(map,s.map,dim);
}
mstring::~mstring() {
if(caps==ms_mincaps) heap.pop(map);
else free(map);
}
///////////////////////////////////////////////////////////////////
void mstring::erase(int pos,int n)
{
if(pos<0) { pos+=dim; if(pos<0) pos=0; }
if(pos<dim) {
if(n<0) { n+=dim+1; if(n<0) n=0; }
if(n>=dim-pos) map[dim=pos]=0;
else { memmove(map+pos,map+pos+n,dim-pos-n); map[dim-=n]=0; }
}
}
void mstring::reserve(int n) {
if(caps<=n) {
if(caps==ms_mincaps) {
while(caps<=n) caps<<=1;
char* p=(char*)memcpy(malloc(caps),map,dim);
heap.pop(map);
map=p;
}
else {
while(caps<=n) caps<<=1;
map=(char*)realloc(map,caps);
}
}
}
///////////////////////////////////////////////////////////////////
int mstring::load(const mstring& path)
{
int fd=open(path.c_str(),O_RDONLY);
if(fd<0) return -1;
struct stat fs; fstat(fd,&fs);
resize(fs.st_size);
read(fd,map,dim);
close(fd);
return dim;
}
///////////////////////////////////////////////////////////////////
mstring& mstring::convert(const char* format,...)
{
sref_t buf;
va_list ap;
va_start(ap,format);
resize(vsprintf(buf,format,ap));
memcpy(map,buf,dim);
va_end(ap);
return *this;
}
///////////////////////////////////////////////////////////////////
int swrite::appc(char c) { return mp->put(c),1; }
int swrite::apps(const sref& s) { return mp->put(s),s.size(); }
///////////////////////////////////////////////////////////////////
int mswrite::appc(char c) { return m.put(c),1; }
int mswrite::apps(const sref& s) { return m.put(s),s.size(); }
///////////////////////////////////////////////////////////////////
int merror_t::appc(char c) { return desc.put(c),1; }
int merror_t::apps(const sref& s) { return desc.put(s),s.size(); }
///////////////////////////////////////////////////////////////////
void getline(mstring& m,FILE* fp,char end)
{
m.clear();
int c=getc(fp);
while(c!=end&&c!=EOF) { m.append(1,c); c=getc(fp); }
}
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