From 5df79c53745fde5d6c3340a2979b1429cd5892c1 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 8 Oct 2011 20:30:28 +0200
Subject: Initial import of htcd system 1.0

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
---
 src/mt/stringref.cc | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 src/mt/stringref.cc

(limited to 'src/mt/stringref.cc')

diff --git a/src/mt/stringref.cc b/src/mt/stringref.cc
new file mode 100644
index 0000000..66b3d3e
--- /dev/null
+++ b/src/mt/stringref.cc
@@ -0,0 +1,126 @@
+/*************************************************************************
+ *
+ * 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/stringref.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+extern "C" {
+  int cfind_(const char* s,const int& sn,const char& c);
+  int crfind_(const char* s,const int& sn,const char& c);
+  int sfind_(const char* s,const int& sn,const char* c,const int& cn);
+  int srfind_(const char* s,const int& sn,const char* c,const int& cn);
+  int sfindtab_(const char* s,const int& sn,const char* c,const int& cn,const char* tab);
+  int srfindtab_(const char* s,const int& sn,const char* c,const int& cn,const char* tab);
+  int scomptab_(const char* s,const char* c,const int& n,const char* tab);
+  void sconvert_(char* s,const int& sn,const char* tab);
+  int find_of__(const char* s,const int& sn,const char* set);
+  int rfind_of__(const char* s,const int& sn,const char* set);
+  int find_not_of__(const char* s,const int& sn,const char* set);
+  int rfind_not_of__(const char* s,const int& sn,const char* set);
+  int skip_parentesis__(const char* s,const int& sn,
+		       const char& left,const char& right,const char& esc);
+  int strip_(char* s,const char* c,const int& cn,const char& esc);
+}
+
+////////////////////////////////////////////////////
+
+char* sref::copyto(char* buf,int max) const {
+  if(!dim) buf[0]=0;
+  else if(dim<max) ((char*)memcpy(buf,map,dim))[dim]=0;
+  else ((char*)memcpy(buf,map,max-1))[max-1]=0;
+  return buf;
+}
+
+int sref::compare(const sref& s,const charmap& tab) const {
+  int c; if(map==s.map) return dim-s.dim;
+  else return (c=scomptab_(map,s.map,dim<s.dim?dim:s.dim,tab.map))?c:dim-s.dim;
+}
+
+////////////////////////////////////////////////////
+
+void sref::tolower() { sconvert_(map,dim,cset_lcase.map); }
+void sref::toupper() { sconvert_(map,dim,cset_ucase.map); }
+void sref::tosim(const charmap& s) { sconvert_(map,dim,s.map); }
+
+////////////////////////////////////////////////////
+
+sref sref::operator()(int pos,int n) const {
+  if(pos<0) { pos+=dim; if(pos<0) pos=0; }
+  if(pos>=dim) return sref(map+dim,0);
+  else {
+    if(n<0) { n+=dim+1; if(n<0) n=0; }
+    if(n>=dim-pos) return sref(map+pos,dim-pos);
+    else return sref(map+pos,n);
+  }
+}
+
+sref sref::left(int n) const {
+  if(n<0) { n+=dim+1; if(n<0) n=0; }
+  if(n>dim) return sref(map,dim);
+  else return sref(map,n);
+}
+sref sref::leftand(int n,int m) const {
+  if(n<0) { n+=dim+1; if(n<0) n=0; }
+  if((n+=m)>dim) return sref(map,dim);
+  else return sref(map,n);
+}
+sref sref::right(int n) const {
+  if(n<0) { n+=dim+1; if(n<0) n=0; }
+  if(n>dim) return sref(map+dim,0);
+  else return sref(map+n,dim-n);
+}
+sref sref::past(int n,int m) const {
+  if(n<0) { n+=dim+1; if(n<0) n=0; }
+  if((n+=m)>dim) return sref(map+dim,0);
+  else return sref(map+n,dim-n);
+}
+
+////////////////////////////////////////////////////////////////
+
+int sref::find(char c) const { return cfind_(map,dim,c); }
+int sref::rfind(char c) const { return crfind_(map,dim,c); }
+int sref::find(const sref& s) const { return sfind_(map,dim,s.map,s.dim); }
+int sref::rfind(const sref& s) const { return srfind_(map,dim,s.map,s.dim); }
+int sref::find(const sref& s,const charmap& tab) const {
+  return sfindtab_(map,dim,s.map,s.dim,tab.map);
+}
+int sref::rfind(const sref& s,const charmap& tab) const {
+  return srfindtab_(map,dim,s.map,s.dim,tab.map);
+}
+
+int sref::find_of(const charset& s) const { return find_of__(map,dim,s.map); }
+int sref::rfind_of(const charset& s) const { return rfind_of__(map,dim,s.map); }
+int sref::find_not_of(const charset& s) const { return find_not_of__(map,dim,s.map); }
+int sref::rfind_not_of(const charset& s) const { return rfind_not_of__(map,dim,s.map); }
+  
+int sref::skip(const bracket& bra) const {
+  return skip_parentesis__(map,dim,bra.left,bra.right,bra.esc);
+}
+
+////////////////////////////////////////////////////////////////
+
+int sref::save(const sref& s,int prot) const {
+  sref_t path; s.copyto(path);
+  int fd=open(path,O_WRONLY|O_CREAT,prot);
+  if(fd<0) return -1;
+  write(fd,map,dim);
+  close(fd);
+  return dim;
+}
-- 
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