-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+/**
+ * \file lyxstring.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * ====================================================== */
+ * \author Lars Gullik Bjønnes
+ *
+ * Full author contact details are available in file CREDITS
+ */
#ifdef HAVE_CONFIG_H
#include <config.h>
size_t res;
/// Data. At least 1 char for trailing null.
lyxstring::value_type * s;
-
+
///
Srep(lyxstring::size_type nsz, const lyxstring::value_type * p);
///
--ref;
return new Srep(sz, s);
}
-
+
///
void assign(lyxstring::size_type nsz, const lyxstring::value_type * p);
///
sz = 0;
}
}
-
+
void lyxstring::Srep::assign(lyxstring::size_type nsz, const value_type * p)
{
memcpy(tmp + i + n2, &s[i + n], sz - i);
delete[] s;
s = tmp;
- sz += n2;
+ sz += n2;
}
}
///////////////////////////////////////
// The lyxstring Invariant tester
///////////////////////////////////////
+
+// There are no know bugs in lyxstring now, and it have been
+// tested for a long time. so we disable the invariant checker. (Lgb)
+#undef ENABLE_ASSERTIONS
#ifdef ENABLE_ASSERTIONS
/** Testing of the lyxstring invariant
* By creating an object that tests the lyxstring invariant during its
* construction *and* its deconstruction we greatly simplify our code.
- * Calling TestlyxstringInvariant() upon entry to an lyxstring method
+ * Calling TestlyxstringInvariant() upon entry to an lyxstring method
* will test the invariant upon entry to the code. If the Asserts fail
* then we know from the stack trace that the corruption occurred *before*
* entry to this method. We can also be sure it didn't happen in any of
///////////////////////
lyxstring::size_type lyxstring::size() const
-{
+{
return rep->sz;
}
rep = x.rep; // share representation
return *this;
}
-
+
lyxstring & lyxstring::assign(lyxstring const & x, size_type pos, size_type n)
{
return assign(x.substr(pos, n));
}
-
+
lyxstring & lyxstring::assign(value_type const * s, size_type n)
{
}
return *this;
}
-
+
lyxstring & lyxstring::assign(value_type const * s)
{
lyxstring::const_reference lyxstring::operator[](size_type pos) const
{
#if 0
+ // This is actually what the standard requires,
lyx::Assert(pos <= rep->sz); // OURS!
- static char helper = '\0';
+ static char const helper = '\0';
return pos == rep->sz ? helper : rep->s[pos];
#else
+ // but we use this one since it is stricter
+ // and more according to the real intent of std::string.
lyx::Assert(pos < rep->sz); // OURS!
return rep->s[pos];
#endif
insert(p - begin(), first, last - first);
}
-
+
////////////////
// Find
////////////////
-
- // All the below find functions should be verified,
- // it is very likely that I have mixed up or interpreted
- // some of the parameters wrong, also some of the funcs can surely
- // be written more effectively.
+
+ // All the below find functions should be verified,
+ // it is very likely that I have mixed up or interpreted
+ // some of the parameters wrong, also some of the funcs can surely
+ // be written more effectively.
lyxstring::size_type lyxstring::find(lyxstring const & a, size_type i) const
{
if (!rep->sz || i >= rep->sz) return npos;
-
+
TestlyxstringInvariant(this);
size_type n = a.length();
{
lyx::Assert(ptr); // OURS!
if (!rep->sz || !*ptr || i >= rep->sz) return npos;
-
+
TestlyxstringInvariant(this);
// What is "n" here? is it the number of value_types to use in ptr
{
lyx::Assert(s); // OURS!
if (!rep->sz || i >= rep->sz) return npos;
-
+
TestlyxstringInvariant(this);
if (!s || !*s) return npos;
TestlyxstringInvariant(this);
- for (size_type t = 0; t + i < rep->sz; ++t) {
- if (rep->s[t + i] == c) return t + i;
+ for (size_type t = 0; t + i < rep->sz; ++t) {
+ if (rep->s[t + i] == c) return t + i;
}
- return npos;
+ return npos;
}
}
if (equal) return t;
}
- } while(t-- > 0);
+ } while (t-- > 0);
return npos;
}
{
TestlyxstringInvariant(this);
- return replace(i - begin(), i2 - i, str);
+ return replace(i - begin(), i2 - i, str);
}
return replace(i - begin(), i2 - i, n, c);
}
-
+
lyxstring & lyxstring::replace(iterator i, iterator i2,
iterator j, iterator j2)
if (!*s) return 1;
// since n > n2, min(n, n2) == 0, c == 0 (stops segfault also)
- // remember that n can very well be a lot larger than rep->sz
- // so we have to ensure that n is no larger than rep->sz
- n = min(n, rep->sz);
+ // remember that n can very well be a lot larger than rep->sz
+ // so we have to ensure that n is no larger than rep->sz
+ n = min(n, rep->sz);
n2 = min(n2, slen);
- if (n == n2)
+ if (n == n2)
return memcmp(&(rep->s[pos]), s, n);
int c = memcmp(&(rep->s[pos]), s, min(n, n2));
if (c)
istream & operator>>(istream & is, lyxstring & s)
{
-#if 1
+#if 0
// very bad solution
char * nome = new char[1024];
is >> nome;
if (!tmp.empty()) s = tmp;
#else
// better solution
- int w = is.widdth(0);
+ int w = is.width(0);
s.clear();
char c = 0;
+ bool skipspace = true;
while (is.get(c)) {
- if (isspace(c)) { is.putback(c); break; }
- s += c;
+ if (isspace(c)) {
+ if (!skipspace) {
+ is.putback(c);
+ break;
+ }
+ } else {
+ s += c;
+ skipspace = false;
+ }
if (--w == 1) break;
}
- if (s.empty()) is.setstate(ios::failbit);
+ if (s.empty()) is.setstate(std::ios::failbit);
#endif
return is;
}
// very bad solution
char tmp = 0;
s.erase();
- while(is) {
+ while (is) {
is.get(tmp);
if (tmp != delim) {
s += tmp;