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RichString.c
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174 lines (145 loc) · 5.07 KB
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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.
*/
#include "RichString.h"
#include "XAlloc.h"
#include <stdlib.h>
#include <string.h>
#define RICHSTRING_MAXLEN 350
/*{
#include "config.h"
#include <ctype.h>
#include <assert.h>
#ifdef HAVE_NCURSESW_CURSES_H
#include <ncursesw/curses.h>
#elif HAVE_NCURSES_NCURSES_H
#include <ncurses/ncurses.h>
#elif HAVE_NCURSES_CURSES_H
#include <ncurses/curses.h>
#elif HAVE_NCURSES_H
#include <ncurses.h>
#elif HAVE_CURSES_H
#include <curses.h>
#endif
#ifdef HAVE_LIBNCURSESW
#include <wctype.h>
#endif
#define RichString_size(this) ((this)->chlen)
#define RichString_sizeVal(this) ((this).chlen)
#define RichString_begin(this) RichString (this); memset(&this, 0, sizeof(RichString)); (this).chptr = (this).chstr;
#define RichString_beginAllocated(this) memset(&this, 0, sizeof(RichString)); (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)] = (CharType) { .chars = { ch, 0 } }; } 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
typedef struct RichString_ {
int chlen;
CharType* chptr;
CharType chstr[RICHSTRING_MAXLEN+1];
} RichString;
}*/
#define charBytes(n) (sizeof(CharType) * (n))
static void RichString_extendLen(RichString* this, int len) {
if (this->chlen <= RICHSTRING_MAXLEN) {
if (len > RICHSTRING_MAXLEN) {
this->chptr = xMalloc(charBytes(len + 1));
memcpy(this->chptr, this->chstr, charBytes(this->chlen));
}
} else {
if (len <= RICHSTRING_MAXLEN) {
memcpy(this->chstr, this->chptr, charBytes(len));
free(this->chptr);
this->chptr = this->chstr;
} else {
this->chptr = xRealloc(this->chptr, charBytes(len + 1));
}
}
RichString_setChar(this, len, 0);
this->chlen = len;
}
#define RichString_setLen(this, len) do{ if(len < RICHSTRING_MAXLEN && this->chlen < RICHSTRING_MAXLEN) { RichString_setChar(this,len,0); this->chlen=len; } else RichString_extendLen(this,len); }while(0)
#ifdef HAVE_LIBNCURSESW
static inline void RichString_writeFrom(RichString* this, int attrs, const char* data_c, int from, int len) {
wchar_t data[len+1];
len = mbstowcs(data, data_c, len);
if (len < 0)
return;
int newLen = from + len;
RichString_setLen(this, newLen);
for (int i = from, j = 0; i < newLen; i++, j++) {
this->chptr[i] = (CharType) { .attr = attrs & 0xffffff, .chars = { (iswprint(data[j]) ? data[j] : '?') } };
}
}
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
static inline void RichString_writeFrom(RichString* this, int attrs, const char* data_c, int from, int len) {
int newLen = from + len;
RichString_setLen(this, newLen);
for (int i = from, j = 0; i < newLen; i++, j++)
this->chptr[i] = (data_c[j] >= 32 ? 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++;
}
}
int RichString_findChar(RichString* this, char c, int start) {
chtype* ch = this->chptr + start;
for (int i = start; i < this->chlen; i++) {
if ((*ch & 0xff) == (chtype) c)
return i;
ch++;
}
return -1;
}
#endif
void RichString_prune(RichString* this) {
if (this->chlen > RICHSTRING_MAXLEN)
free(this->chptr);
memset(this, 0, sizeof(RichString));
this->chptr = this->chstr;
}
void RichString_setAttr(RichString* this, int attrs) {
RichString_setAttrn(this, attrs, 0, this->chlen - 1);
}
void RichString_append(RichString* this, int attrs, const char* data) {
RichString_writeFrom(this, attrs, data, this->chlen, strlen(data));
}
void RichString_appendn(RichString* this, int attrs, const char* data, int len) {
RichString_writeFrom(this, attrs, data, this->chlen, len);
}
void RichString_write(RichString* this, int attrs, const char* data) {
RichString_writeFrom(this, attrs, data, 0, strlen(data));
}