office-gobmx/soltools/support/simstr.cxx

833 lines
14 KiB
C++

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*
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
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*
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_soltools.hxx"
#include <simstr.hxx>
#include <string.h> // strlen(), memcpy(), memset()
#include <ctype.h> // tolower()
#include <limits.h> // INT_MAX
const char NULCH = '\0';
const int NO_POS = -1;
Simstr::Simstr(const char * s_)
{
if (s_ == 0)
{
len = 0;
sz = new char[1];
*sz = 0;
}
else
{
len = strlen(s_);
sz = new char[len+1];
memcpy(sz,s_,len+1);
}
}
Simstr::Simstr(const char * anybytes, int nrOfBytes)
{
if (anybytes == 0)
{
len = 0;
sz = new char[1];
*sz = 0;
return;
}
int slen = static_cast<int>( strlen(anybytes) );
len = slen < nrOfBytes
? slen
: nrOfBytes;
sz = new char[len+1];
memcpy( sz, anybytes, len );
*( sz + len ) = 0;
}
Simstr::Simstr(char c, int anzahl)
{
if (anzahl < 1)
{
len = 0;
sz = new char[1];
*sz = 0;
}
else
{
len = anzahl;
sz = new char[len+1];
memset(sz,c,anzahl);
sz[len] = 0;
}
}
Simstr::Simstr( const char * anybytes,
int firstBytesPos,
int nrOfBytes)
{
unsigned slen = strlen(anybytes);
if (anybytes == 0 || slen <= unsigned(firstBytesPos))
{
len = 0;
sz = new char[1];
*sz = 0;
}
else
{
int maxLen = slen - unsigned(firstBytesPos);
len = maxLen < nrOfBytes
? maxLen
: nrOfBytes;
sz = new char[len+1];
memcpy(sz,anybytes+firstBytesPos,len);
*(sz+len) = 0;
}
}
Simstr::Simstr(const Simstr & S)
{
len = S.len;
sz = new char[len+1];
memcpy(sz,S.sz,len+1);
}
Simstr & Simstr::operator=(const Simstr & S)
{
if (sz == S.sz)
return *this;
delete [] sz;
len = S.len;
sz = new char[len+1];
memcpy(sz,S.sz,len+1);
return *this;
}
Simstr::~Simstr()
{
delete [] sz;
}
char &
Simstr::ch(int n)
{
static char nullCh = NULCH;
nullCh = NULCH;
if (n >= long(len) || n < 0)
return nullCh;
else
return sz[unsigned(n)];
}
const Simstr &
Simstr::null_()
{
static Simstr aNull_;
return aNull_;
}
Simstr
Simstr::operator+(const Simstr & S) const
{
Simstr ret = sz;
ret.push_back(S);
return ret;
}
Simstr &
Simstr::operator+=(const Simstr & S)
{
push_back(S);
return *this;
}
Simstr &
Simstr::operator+=(const char * s_)
{
Simstr a(s_);
push_back(a);
return *this;
}
// REL
bool
Simstr::operator==(const Simstr & S) const
{ return !strcmp(sz,S.sz) ? true : false; }
bool
Simstr::operator!=(const Simstr & S) const
{ return strcmp(sz,S.sz) ? true : false; }
bool
Simstr::operator<(const Simstr & S) const
{ return (strcmp(sz,S.sz) < 0) ? true : false; }
bool
Simstr::operator>(const Simstr & S) const
{ return (strcmp(sz,S.sz) > 0) ? true : false; }
bool
Simstr::operator<=(const Simstr & S) const
{ return (strcmp(sz,S.sz) <= 0) ? true : false; }
bool
Simstr::operator>=(const Simstr & S) const
{ return (strcmp(sz,S.sz) >= 0) ? true : false; }
// ************** LIST - Funktionen *****************
// Einzelzugriff
char
Simstr::get(int n) const { return (n >= len || n < 0) ? 0 : sz[n]; }
char
Simstr::get_front() const { return sz[0]; }
char
Simstr::get_back() const { return len ? sz[len-1] : 0; }
Simstr
Simstr::get(int startPos, int anzahl) const
{
if (startPos >= len || startPos < 0 || anzahl < 1)
return "";
int anz = len - startPos < anzahl ? len - startPos : anzahl;
Simstr ret(' ',anz);
memcpy(ret.sz, sz+startPos, anz);
return ret;
}
Simstr
Simstr::get_front(int anzahl) const
{
int anz = len < anzahl ? len : anzahl;
if (anz < 1)
return "";
Simstr ret(' ',anz);
memcpy(ret.sz, sz, anz);
return ret;
}
Simstr
Simstr::get_back(int anzahl) const
{
int anz = len < anzahl ? len : anzahl;
if (anz < 1)
return "";
int start = len-anz;
Simstr ret(' ',anz);
memcpy(ret.sz, sz+start, anz);
return ret;
}
Simstr
Simstr::get_first_token(char c) const
{
int posc = pos_first(c);
if (posc != NO_POS)
return get_front(posc);
else
return sz;
}
Simstr
Simstr::get_last_token(char c) const
{
int posc = pos_last(c);
if (posc != NO_POS)
return get_back(len-posc-1);
else
return sz;
}
// Insert
void
Simstr::insert(int pos, char c)
{
if (pos < 0 || pos > len)
return;
char * result = new char[len+2];
memcpy(result,sz,pos);
result[pos] = c;
memcpy(result+pos+1,sz+pos,len-pos+1);
delete [] sz;
sz = result;
len++;
}
void
Simstr::push_front(char c)
{
char * result = new char[len+2];
result[0] = c;
memcpy(result+1,sz,len+1);
delete [] sz;
sz = result;
len++;
}
void
Simstr::push_back(char c)
{
char * result = new char[len+2];
memcpy(result,sz,len);
result[len] = c;
result[len+1] = 0;
delete [] sz;
sz = result;
len++;
}
void
Simstr::insert(int pos, const Simstr & S)
{
if (pos < 0 || pos > len)
return;
char * result = new char[len+1+S.len];
memcpy(result,sz,pos);
memcpy(result+pos,S.sz,S.len);
memcpy(result+pos+S.len,sz+pos,len-pos+1);
delete [] sz;
sz = result;
len += S.len;
}
void
Simstr::push_front(const Simstr & S)
{
char * result = new char[len+1+S.len];
memcpy(result,S.sz,S.len);
memcpy(result+S.len,sz,len+1);
delete [] sz;
sz = result;
len += S.len;
}
void
Simstr::push_back(const Simstr & S)
{
char * result = new char[len+1+S.len];
memcpy(result,sz,len);
memcpy(result+len,S.sz,S.len+1);
delete [] sz;
sz = result;
len += S.len;
}
// Remove
void
Simstr::remove(int pos, int anzahl)
{
if (pos >= len || pos < 0 || anzahl < 1)
return;
int anz = len - pos < anzahl ? len - pos : anzahl;
char * result = new char[len-anz+1];
memcpy(result,sz,pos);
memcpy(result+pos,sz+pos+anz,len-pos-anz+1);
delete [] sz;
sz = result;
len -= anz;
}
void
Simstr::remove_trailing_blanks()
{
int newlen = len-1;
for ( ; newlen > 1 && sz[newlen] <= 32; --newlen ) {}
if (newlen < len-1)
remove ( newlen+1, len-newlen);
}
void
Simstr::pop_front(int anzahl)
{
if (anzahl < 1)
return;
int anz = len < anzahl ? len : anzahl;
char * result = new char[len-anz+1];
memcpy(result,sz+anz,len-anz+1);
delete [] sz;
sz = result;
len -= anz;
}
void
Simstr::pop_back(int anzahl)
{
if (anzahl < 1)
return;
int anz = len < anzahl ? len : anzahl;
char * result = new char[len-anz+1];
memcpy(result,sz,len-anz);
result[len-anz] = 0;
delete [] sz;
sz = result;
len -= anz;
}
void
Simstr::rem_back_from(int removeStartPos)
{
if (removeStartPos != NO_POS)
pop_back(len-removeStartPos);
}
void
Simstr::remove_all(char c)
{
if (!len)
return;
char * result = new char[len];
int i,j=0;
for (i = 0; i < len; i++)
if (sz[i] != c)
result[j++] = sz[i];
delete [] sz;
sz = new char[j+1];
memcpy(sz,result,j);
sz[j] = 0;
len = j;
delete [] result;
}
void
Simstr::remove_all(const Simstr & S)
{
int pos;
while ( (pos=pos_first(S)) != NO_POS )
remove(pos,S.len);
}
void
Simstr::strip(char c)
{
int start = 0;
if (c == ' ')
{ // Sonderbehandlung: SPC entfernt auch TABs:
while ( start < len
? sz[start] == ' '
|| sz[start] == '\t'
: false )
start++;
}
else
{
while (start < len && sz[start] == c)
start++;
}
int ende = len-1;
if (c == ' ')
{ // Sonderbehandlung: SPC entfernt auch TABs:
while ( ende >= start
? sz[ende] == ' '
|| sz[ende] == '\t'
: false )
ende--;
}
else
{
while (ende >= start && sz[ende] == c)
ende--;
}
*this = get(start,ende-start+1);
}
void
Simstr::empty()
{
if (len > 0)
{
delete [] sz;
sz = new char[1];
*sz = 0;
len = 0;
}
}
Simstr
Simstr::take_first_token(char c)
{
Simstr ret;
int pos = pos_first(c);
if (pos != NO_POS)
{
ret = get_front(pos);
pop_front(pos+1);
}
else
{
ret = sz;
delete [] sz;
sz = new char[1];
*sz = NULCH;
len = 0;
}
return ret;
}
Simstr
Simstr::take_last_token(char c)
{
Simstr ret;
int pos = pos_last(c);
if (pos != NO_POS)
{
ret = get_back(len-pos-1);
pop_back(len-pos);
}
else
{
ret = sz;
delete [] sz;
sz = new char[1];
*sz = NULCH;
len = 0;
}
return ret;
}
// Find
int
Simstr::pos_first(char c) const
{
int i = 0;
for (i = 0; i < len ? sz[i] != c : false; i++) ;
if (i >= len)
return NO_POS;
else
return i;
}
int
Simstr::pos_first_after( char c,
int startSearchPos) const
{
int i = 0;
if (startSearchPos >= i)
i = startSearchPos+1;
for (; i < len ? sz[i] != c : false; i++) ;
if (i >= len)
return NO_POS;
else
return i;
}
int
Simstr::pos_last(char c) const
{
int i = 0;
for (i = len-1; i >= 0 ? sz[i] != c : false; i--) ;
if (i < 0)
return NO_POS;
else
return i;
}
int
Simstr::pos_first(const Simstr & S) const
{
char * ptr = strstr(sz,S.sz);
if (ptr)
return int(ptr-sz);
else
return NO_POS;
}
int
Simstr::pos_last(const Simstr & S) const
{
Simstr vgl;
int i;
for (i = len-S.len; i >= 0 ; i--)
{
vgl = get(i,S.len);
if (vgl == S)
break;
}
if (i >= 0)
return i;
else
return NO_POS;
}
int
Simstr::count(char c) const
{
int ret = 0;
for (int i =0; i < len; i++)
if (sz[i] == c)
ret++;
return ret;
}
bool
Simstr::is_no_text() const
{
if (!len)
return true;
int i;
for (i = 0; sz[i] <= 32 && i < len; i++) ;
if (i < len)
return false;
return true;
}
// Change
void
Simstr::replace(int pos, char c)
{
if (pos < 0 || pos >= len)
return;
else
sz[unsigned(pos)] = c;
}
void
Simstr::replace(int startPos, int anzahl, const Simstr & S)
{
if (startPos >= len || startPos < 0 || anzahl < 1)
return;
int anz = len - startPos < anzahl ? len - startPos : anzahl;
char * result = new char[len-anz+S.len+1];
memcpy(result,sz,startPos);
memcpy(result+startPos, S.sz, S.len);
memcpy(result+startPos+S.len, sz+startPos+anz, len-startPos-anz+1);
delete [] sz;
sz = result;
len = len-anz+S.len;
}
void
Simstr::replace_all(char oldCh, char newCh)
{
for (int i=0; i < len; i++)
if (sz[i] == oldCh)
sz[i] = newCh;
}
void
Simstr::replace_all(const Simstr & oldS, const Simstr & newS)
{
Simstr vgl;
int i = 0;
while (i <= len-oldS.len)
{
vgl = get(i,oldS.len);
if (strcmp(vgl.sz,oldS.sz) == 0)
{
replace(i,oldS.len,newS);
i += newS.len;
}
else
i++;
}
}
void
Simstr::to_lower()
{
for (int i = 0; i < len; i++)
sz[i] = (char) tolower(sz[i]);
}
// Simstr addition
Simstr
operator+(const char * str, const Simstr & S)
{
Simstr ret = S;
ret.push_front(str);
return ret;
}
Simstr
operator+(const Simstr & S, const char * str)
{
Simstr ret = S;
ret.push_back(str);
return ret;
}
Simstr
operator+(char c, const Simstr & S)
{
Simstr ret = S;
ret.push_front(c);
return ret;
}
Simstr
operator+(const Simstr & S, char c)
{
Simstr ret = S;
ret.push_back(c);
return ret;
}
// Simstr-Vergleiche mit char *
bool
operator==(const Simstr & S, const char * str)
{
return strcmp(S,str) == 0;
}
bool
operator!=(const Simstr & S, const char * str)
{
return strcmp(S,str) != 0;
}
bool
operator<(const Simstr & S, const char * str)
{
return strcmp(S,str) < 0;
}
bool
operator>(const Simstr & S, const char * str)
{
return strcmp(S,str) > 0;
}
bool
operator<=(const Simstr & S, const char * str)
{
return strcmp(S,str) <= 0;
}
bool
operator>=(const Simstr & S, const char * str)
{
return strcmp(S,str) >= 0;
}
bool
operator==(const char * str, const Simstr & S)
{
return strcmp(str,S) == 0;
}
bool
operator!=(const char * str, const Simstr & S)
{
return strcmp(str,S) != 0;
}
bool
operator<(const char * str, const Simstr & S)
{
return strcmp(str,S) < 0;
}
bool
operator>(const char * str, const Simstr & S)
{
return strcmp(str,S) > 0;
}
bool
operator<=(const char * str, const Simstr & S)
{
return strcmp(str,S) <= 0;
}
bool
operator>=(const char * str, const Simstr & S)
{
return strcmp(str,S) >= 0;
}