htop/RichString.c

84 lines
1.7 KiB
C

#include "RichString.h"
#include <stdlib.h>
#include <string.h>
#include <curses.h>
#include "debug.h"
#include <assert.h>
#define RICHSTRING_MAXLEN 300
/*{
typedef struct RichString_ {
int len;
chtype chstr[RICHSTRING_MAXLEN+1];
} RichString;
}*/
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif
/* private property */
WINDOW* workArea = NULL;
RichString RichString_new() {
RichString this;
this.len = 0;
return this;
}
void RichString_delete(RichString this) {
}
void RichString_prune(RichString* this) {
this->len = 0;
}
void RichString_write(RichString* this, int attrs, char* data) {
this->len = 0;
RichString_append(this, attrs, data);
}
inline void RichString_append(RichString* this, int attrs, char* data) {
RichString_appendn(this, attrs, data, strlen(data));
}
inline void RichString_appendn(RichString* this, int attrs, char* data, int len) {
if (!workArea) {
workArea = newpad(1, RICHSTRING_MAXLEN);
}
assert(workArea);
wattrset(workArea, attrs);
int maxToWrite = (RICHSTRING_MAXLEN - 1) - this->len;
int wrote = MIN(maxToWrite, len);
mvwaddnstr(workArea, 0, 0, data, maxToWrite);
int oldstrlen = this->len;
this->len += wrote;
mvwinchnstr(workArea, 0, 0, this->chstr + oldstrlen, wrote);
wattroff(workArea, attrs);
}
void RichString_setAttr(RichString *this, int attrs) {
for (int i = 0; i < this->len; i++) {
char c = this->chstr[i];
this->chstr[i] = c | attrs;
}
}
void RichString_applyAttr(RichString *this, int attrs) {
for (int i = 0; i < this->len - 1; i++) {
this->chstr[i] |= attrs;
}
}
RichString RichString_quickString(int attrs, char* data) {
RichString str = RichString_new();
RichString_write(&str, attrs, data);
return str;
}