htop/RichString.c

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/*
htop - RichString.c
(C) 2004,2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
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#include "RichString.h"
#include <stdlib.h>
#include <string.h>
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#define RICHSTRING_MAXLEN 300
/*{
#include "config.h"
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#include <ctype.h>
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#include <assert.h>
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#ifdef HAVE_NCURSESW_CURSES_H
#include <ncursesw/curses.h>
#elif HAVE_NCURSES_NCURSES_H
#include <ncurses/ncurses.h>
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#elif HAVE_NCURSES_H
#include <ncurses.h>
#elif HAVE_CURSES_H
#include <curses.h>
#endif
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#define RichString_size(this) ((this)->chlen)
#define RichString_sizeVal(this) ((this).chlen)
#define RichString_begin(this) RichString (this); (this).chlen = 0; (this).chptr = (this).chstr;
#define RichString_beginAllocated(this) (this).chlen = 0; (this).chptr = (this).chstr;
#define RichString_end(this) RichString_prune(&(this));
#ifdef HAVE_LIBNCURSESW
#define RichString_printVal(this, y, x) mvadd_wchstr(y, x, (this).chptr)
#define RichString_printoffnVal(this, y, x, off, n) mvadd_wchnstr(y, x, (this).chptr + off, n)
#define RichString_getCharVal(this, i) ((this).chptr[i].chars[0] & 255)
#define RichString_setChar(this, at, ch) do{ (this)->chptr[(at)].chars[0] = ch; } while(0)
#define CharType cchar_t
#else
#define RichString_printVal(this, y, x) mvaddchstr(y, x, (this).chptr)
#define RichString_printoffnVal(this, y, x, off, n) mvaddchnstr(y, x, (this).chptr + off, n)
#define RichString_getCharVal(this, i) ((this).chptr[i])
#define RichString_setChar(this, at, ch) do{ (this)->chptr[(at)] = ch; } while(0)
#define CharType chtype
#endif
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typedef struct RichString_ {
int chlen;
CharType chstr[RICHSTRING_MAXLEN+1];
CharType* chptr;
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} RichString;
}*/
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif
#define charBytes(n) (sizeof(CharType) * (n))
static inline void RichString_setLen(RichString* this, int len) {
if (this->chlen <= RICHSTRING_MAXLEN) {
if (len > RICHSTRING_MAXLEN) {
this->chptr = malloc(charBytes(len+1));
memcpy(this->chptr, this->chstr, charBytes(this->chlen+1));
}
} else {
if (len <= RICHSTRING_MAXLEN) {
memcpy(this->chstr, this->chptr, charBytes(this->chlen));
free(this->chptr);
this->chptr = this->chstr;
} else {
this->chptr = realloc(this->chptr, charBytes(len+1));
}
}
RichString_setChar(this, len, 0);
this->chlen = len;
}
#ifdef HAVE_LIBNCURSESW
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inline void RichString_appendn(RichString* this, int attrs, const char* data_c, int len) {
wchar_t data[len+1];
len = mbstowcs(data, data_c, len);
if (len<0)
return;
int oldLen = this->chlen;
int newLen = len + oldLen;
RichString_setLen(this, newLen);
for (int i = oldLen, j = 0; i < newLen; i++, j++) {
memset(&this->chptr[i], 0, sizeof(this->chptr[i]));
this->chptr[i].chars[0] = data[j];
this->chptr[i].attr = attrs;
}
this->chptr[newLen].chars[0] = 0;
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}
inline void RichString_setAttrn(RichString* this, int attrs, int start, int finish) {
cchar_t* ch = this->chptr + start;
for (int i = start; i <= finish; i++) {
ch->attr = attrs;
ch++;
}
}
int RichString_findChar(RichString* this, char c, int start) {
wchar_t wc = btowc(c);
cchar_t* ch = this->chptr + start;
for (int i = start; i < this->chlen; i++) {
if (ch->chars[0] == wc)
return i;
ch++;
}
return -1;
}
#else
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inline void RichString_appendn(RichString* this, int attrs, const char* data_c, int len) {
int oldLen = this->chlen;
int newLen = len + oldLen;
RichString_setLen(this, newLen);
for (int i = oldLen, j = 0; i < newLen; i++, j++)
this->chptr[i] = (isprint(data_c[j]) ? data_c[j] : '?') | attrs;
this->chptr[newLen] = 0;
}
void RichString_setAttrn(RichString* this, int attrs, int start, int finish) {
chtype* ch = this->chptr + start;
for (int i = start; i <= finish; i++) {
*ch = (*ch & 0xff) | attrs;
ch++;
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}
}
int RichString_findChar(RichString* this, char c, int start) {
chtype* ch = this->chptr + start;
for (int i = start; i < this->chlen; i++) {
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if ((*ch & 0xff) == (chtype) c)
return i;
ch++;
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}
return -1;
}
#endif
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void RichString_prune(RichString* this) {
if (this->chlen > RICHSTRING_MAXLEN)
free(this->chptr);
this->chptr = this->chstr;
this->chlen = 0;
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}
void RichString_setAttr(RichString* this, int attrs) {
RichString_setAttrn(this, attrs, 0, this->chlen - 1);
}
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inline void RichString_append(RichString* this, int attrs, const char* data) {
RichString_appendn(this, attrs, data, strlen(data));
}
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void RichString_write(RichString* this, int attrs, const char* data) {
RichString_setLen(this, 0);
RichString_appendn(this, attrs, data, strlen(data));
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}