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Change the positions to be 0-based, instead of 1-based.

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This commit is contained in:
Bruno Haible
2003-04-04 10:04:24 +00:00
parent 68f03b3ea7
commit ec3d1127fa
15 changed files with 100 additions and 72 deletions
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21
src/positions.cc
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@@ -35,7 +35,7 @@ bool
Positions::contains (int pos) const
{
unsigned int count = _size;
const unsigned char *p = _positions + _size - 1;
const int *p = _positions + _size - 1;
for (; count > 0; p--, count--)
{
@@ -52,13 +52,13 @@ Positions::add (int pos)
{
unsigned int count = _size;
if (count == MAX_KEY_POS + 1)
if (count == MAX_SIZE)
{
fprintf (stderr, "Positions::add internal error: overflow\n");
exit (1);
}
unsigned char *p = _positions + _size - 1;
int *p = _positions + _size - 1;
for (; count > 0; p--, count--)
{
@@ -81,7 +81,7 @@ Positions::remove (int pos)
unsigned int count = _size;
if (count > 0)
{
unsigned char *p = _positions + _size - 1;
int *p = _positions + _size - 1;
if (*p == pos)
{
@@ -90,7 +90,7 @@ Positions::remove (int pos)
}
if (*p < pos)
{
unsigned char prev = *p;
int prev = *p;
for (;;)
{
@@ -106,7 +106,7 @@ Positions::remove (int pos)
}
if (*p > pos)
break;
unsigned char curr = *p;
int curr = *p;
*p = prev;
prev = curr;
}
@@ -123,17 +123,18 @@ Positions::print () const
bool first = true;
bool seen_LASTCHAR = false;
unsigned int count = _size;
const unsigned char *p = _positions + _size - 1;
const int *p = _positions + _size - 1;
for (; count > 0; p--, count--)
for (; count > 0; p--)
{
count--;
if (*p == LASTCHAR)
seen_LASTCHAR = true;
else
{
if (!first)
printf (",");
printf ("%d", *p);
printf ("%d", *p + 1);
if (count > 0 && p[-1] == *p + 1)
{
printf ("-");
@@ -143,7 +144,7 @@ Positions::print () const
count--;
}
while (count > 0 && p[-1] == *p + 1);
printf ("%d", *p);
printf ("%d", *p + 1);
}
first = false;
}