Adwaith-Rajesh/gperf
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/gperf.git synced 2025-12-02 21:19:24 +00:00
Code Activity

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

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

25
src/positions.h
View File

@@ -34,12 +34,17 @@ class Positions
friend class PositionReverseIterator;
public:
/* Denotes the last char of a keyword, depending on the keyword's length. */
enum { LASTCHAR = 0 };
enum { LASTCHAR = -1 };
/* Maximum key position specifiable by the user.
Note that this must fit into the element type of _positions[], below. */
/* Maximum key position specifiable by the user, 1-based.
Note that MAX_KEY_POS-1 must fit into the element type of _positions[],
below. */
enum { MAX_KEY_POS = 255 };
/* Maximum possible size. Since duplicates are eliminated and the possible
0-based positions are -1 .. MAX_KEY_POS-1, this is: */
enum { MAX_SIZE = MAX_KEY_POS + 1 };
/* Constructors. */
Positions ();
Positions (int pos1);
@@ -56,7 +61,7 @@ public:
unsigned int get_size () const;
/* Write access. */
unsigned char * pointer ();
int * pointer ();
void set_size (unsigned int size);
/* Sorts the array in reverse order.
@@ -74,11 +79,9 @@ public:
private:
/* Number of positions. */
unsigned int _size;
/* Array of positions. 1 for the first char, 2 for the second char etc.,
LASTCHAR for the last char.
Note that since duplicates are eliminated, the maximum possible size
is MAX_KEY_POS + 1. */
unsigned char _positions[MAX_KEY_POS + 1];
/* Array of positions. 0 for the first char, 1 for the second char etc.,
LASTCHAR for the last char. */
int _positions[MAX_SIZE];
};
/* This class denotes an iterator through a set of byte positions. */
@@ -90,7 +93,7 @@ public:
PositionIterator (Positions const& positions);
/* End of iteration marker. */
enum { EOS = -1 };
enum { EOS = -2 };
/* Retrieves the next position, or EOS past the end. */
int next ();
@@ -110,7 +113,7 @@ public:
PositionReverseIterator (Positions const& positions);
/* End of iteration marker. */
enum { EOS = -1 };
enum { EOS = -2 };
/* Retrieves the next position, or EOS past the end. */
int next ();