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First step to plain unicode representation

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tprinter() is used in tputc, so a first step is to change it
to accept a wchar_t instead of a multibyte string. This patch makes
more ugly the code because it needs a lot of conversions, but
they will be removed later.
This commit is contained in:
Roberto E. Vargas Caballero 2014-09-09 05:44:18 +02:00
parent 28f56c8842
commit d65ebe9aed
1 changed files with 41 additions and 25 deletions
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66
st.c
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@ -363,7 +363,7 @@ static void strparse(void);
static void strreset(void);
static int tattrset(int);
static void tprinter(char *, size_t);
static void tprinter(wchar_t);
static void tdumpsel(void);
static void tdumpline(int);
static void tdump(void);
@ -452,12 +452,12 @@ static void selsnap(int, int *, int *, int);
static void getbuttoninfo(XEvent *);
static void mousereport(XEvent *);
static size_t utf8decode(char *, long *, size_t);
static long utf8decodebyte(uchar, size_t *);
static size_t utf8encode(long, char *);
static char utf8encodebyte(long, size_t);
static size_t utf8decode(char *, wchar_t *, size_t);
static wchar_t utf8decodebyte(uchar, size_t *);
static size_t utf8encode(wchar_t, char *);
static char utf8encodebyte(wchar_t, size_t);
static size_t utf8len(char *);
static size_t utf8validate(long *, size_t);
static size_t utf8validate(wchar_t *, size_t);
static ssize_t xwrite(int, const char *, size_t);
static void *xmalloc(size_t);
@ -567,9 +567,9 @@ xstrdup(char *s) {
}
size_t
utf8decode(char *c, long *u, size_t clen) {
utf8decode(char *c, wchar_t *u, size_t clen) {
size_t i, j, len, type;
long udecoded;
wchar_t udecoded;
*u = UTF_INVALID;
if(!clen)
@ -589,7 +589,7 @@ utf8decode(char *c, long *u, size_t clen) {
return len;
}
long
wchar_t
utf8decodebyte(uchar c, size_t *len) {
size_t i;
long ret = 0;
@ -605,7 +605,7 @@ utf8decodebyte(uchar c, size_t *len) {
}
size_t
utf8encode(long u, char *c) {
utf8encode(wchar_t u, char *c) {
size_t len, i;
len = utf8validate(&u, 0);
@ -620,17 +620,17 @@ utf8encode(long u, char *c) {
}
char
utf8encodebyte(long u, size_t i) {
utf8encodebyte(wchar_t u, size_t i) {
return utfbyte[i] | (u & ~utfmask[i]);
}
size_t
utf8len(char *c) {
return utf8decode(c, &(long){0}, UTF_SIZ);
return utf8decode(c, &(wchar_t){0}, UTF_SIZ);
}
size_t
utf8validate(long *u, size_t i) {
utf8validate(wchar_t *u, size_t i) {
if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
*u = UTF_INVALID;
for(i = 1; *u > utfmax[i]; ++i)
@ -1253,7 +1253,7 @@ ttyread(void) {
char *ptr;
char s[UTF_SIZ];
int charsize; /* size of utf8 char in bytes */
long unicodep;
wchar_t unicodep;
int ret;
/* append read bytes to unprocessed bytes */
@ -2255,7 +2255,13 @@ strreset(void) {
}
void
tprinter(char *s, size_t len) {
tprinter(wchar_t u) {
size_t len;
char s[UTF_SIZ];
if((len = utf8encode(u, s)) == 0)
return;
if(iofd != -1 && xwrite(iofd, s, len) < 0) {
fprintf(stderr, "Error writing in %s:%s\n",
opt_io, strerror(errno));
@ -2282,24 +2288,34 @@ printsel(const Arg *arg) {
void
tdumpsel(void) {
char *ptr;
size_t len;
wchar_t u;
if((ptr = getsel())) {
tprinter(ptr, strlen(ptr));
free(ptr);
if((ptr = getsel()) == NULL)
return;
while((len = utf8decode(ptr, &u, UTF_SIZ))) {
tprinter(u);
ptr += len;
}
free(ptr);
}
void
tdumpline(int n) {
Glyph *bp, *end;
wchar_t u;
bp = &term.line[n][0];
end = &bp[MIN(tlinelen(n), term.col) - 1];
if(bp != end || bp->c[0] != ' ') {
for( ;bp <= end; ++bp)
tprinter(bp->c, utf8len(bp->c));
for( ;bp <= end; ++bp) {
if(!utf8decode(bp->c, &u, UTF_SIZ))
break;
tprinter(u);
}
tprinter("\n", 1);
}
tprinter('\n');
}
void
@ -2566,7 +2582,7 @@ void
tputc(char *c, int len) {
uchar ascii;
bool control;
long unicodep;
wchar_t unicodep;
int width;
Glyph *gp;
@ -2581,7 +2597,7 @@ tputc(char *c, int len) {
}
if(IS_SET(MODE_PRINT))
tprinter(c, len);
tprinter(unicodep);
control = ISCONTROL(unicodep);
/*
@ -3180,7 +3196,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
int frcflags;
int u8fl, u8fblen, u8cblen, doesexist;
char *u8c, *u8fs;
long unicodep;
wchar_t unicodep;
Font *font = &dc.font;
FcResult fcres;
FcPattern *fcpattern, *fontpattern;
@ -3553,7 +3569,7 @@ drawregion(int x1, int y1, int x2, int y2) {
Glyph base, new;
char buf[DRAW_BUF_SIZ];
bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
long unicodep;
wchar_t unicodep;
if(!(xw.state & WIN_VISIBLE))
return;