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/*
htop - RichString.c
(C) 2004,2011 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "RichString.h"
#include <stdlib.h>
#include <string.h>
#include "Macros.h"
#include "XUtils.h"
#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;
}
static void RichString_setLen(RichString* this, int len) {
if (len < RICHSTRING_MAXLEN && this->chlen < RICHSTRING_MAXLEN) {
RichString_setChar(this, len, 0);
this->chlen = len;
} else {
RichString_extendLen(this, len);
}
}
#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;
finish = CLAMP(finish, 0, this->chlen - 1);
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 /* HAVE_LIBNCURSESW */
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] = (((unsigned char)data_c[j]) >= 32 ? ((unsigned char)data_c[j]) : '?') | attrs;
}
this->chptr[newLen] = 0;
}
void RichString_setAttrn(RichString* this, int attrs, int start, int finish) {
chtype* ch = this->chptr + start;
finish = CLAMP(finish, 0, this->chlen - 1);
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 /* HAVE_LIBNCURSESW */
void RichString_prune(RichString* this) {
if (this->chlen > RICHSTRING_MAXLEN)
free(this->chptr);
memset(this, 0, sizeof(RichString));
this->chptr = this->chstr;
}
void RichString_appendChr(RichString* this, char c, int count) {
int from = this->chlen;
int newLen = from + count;
RichString_setLen(this, newLen);
for (int i = from; i < newLen; i++) {
RichString_setChar(this, i, c);
}
}
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));
}
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