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Overview
| Comment: | In the command-line shell, change the units on the ".width" directive from bytes to characters. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | cli-char-width |
| Files: | files | file ages | folders |
| SHA1: |
b1a9e2916f5b4adef91c34563f71b98e |
| User & Date: | drh 2015-02-26 14:27:16 |
| Original Comment: | In the command-line shell, change the units on the ".width" separate from bytes to characters. |
Context
|
2015-02-26
| ||
| 14:27 | In the command-line shell, change the units on the ".width" directive from bytes to characters. (Leaf check-in: b1a9e291 user: drh tags: cli-char-width) | |
| 02:33 | Simplifications to the description of the nByte parameter to sqlite3_prepare() and friends. (check-in: 4bee8295 user: drh tags: trunk) | |
Changes
Changes to src/shell.c.
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static void interrupt_handler(int NotUsed){
UNUSED_PARAMETER(NotUsed);
seenInterrupt++;
if( seenInterrupt>2 ) exit(1);
if( db ) sqlite3_interrupt(db);
}
#endif
/*
** This is the callback routine that the shell
** invokes for each row of a query result.
*/
static int shell_callback(
void *pArg,
................................................................................
int w, n;
if( i<ArraySize(p->colWidth) ){
w = p->colWidth[i];
}else{
w = 0;
}
if( w==0 ){
w = strlen30(azCol[i] ? azCol[i] : "");
if( w<10 ) w = 10;
n = strlen30(azArg && azArg[i] ? azArg[i] : p->nullValue);
if( w<n ) w = n;
}
if( i<ArraySize(p->actualWidth) ){
p->actualWidth[i] = w;
}
if( p->showHeader ){
if( w<0 ){
fprintf(p->out,"%*.*s%s",-w,-w,azCol[i],
i==nArg-1 ? p->rowSeparator : " ");
}else{
fprintf(p->out,"%-*.*s%s",w,w,azCol[i],
i==nArg-1 ? p->rowSeparator : " ");
}
}
}
if( p->showHeader ){
for(i=0; i<nArg; i++){
int w;
if( i<ArraySize(p->actualWidth) ){
w = p->actualWidth[i];
................................................................................
int w;
if( i<ArraySize(p->actualWidth) ){
w = p->actualWidth[i];
}else{
w = 10;
}
if( p->mode==MODE_Explain && azArg[i] && strlen30(azArg[i])>w ){
w = strlen30(azArg[i]);
}
if( i==1 && p->aiIndent && p->pStmt ){
if( p->iIndent<p->nIndent ){
fprintf(p->out, "%*.s", p->aiIndent[p->iIndent], "");
}
p->iIndent++;
}
if( w<0 ){
fprintf(p->out,"%*.*s%s",-w,-w,
azArg[i] ? azArg[i] : p->nullValue,
i==nArg-1 ? p->rowSeparator : " ");
}else{
fprintf(p->out,"%-*.*s%s",w,w,
azArg[i] ? azArg[i] : p->nullValue,
i==nArg-1 ? p->rowSeparator : " ");
}
}
break;
}
case MODE_Semi:
case MODE_List: {
if( p->cnt++==0 && p->showHeader ){
for(i=0; i<nArg; i++){
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static void interrupt_handler(int NotUsed){
UNUSED_PARAMETER(NotUsed);
seenInterrupt++;
if( seenInterrupt>2 ) exit(1);
if( db ) sqlite3_interrupt(db);
}
#endif
/*
** Return the length of a string in characters. Multibyte UTF8 characters
** count as a single character.
*/
static int strlenChar(const char *z){
int n = 0;
while( *z ){
if( (0xc0&*(z++))!=0x80 ) n++;
}
return n;
}
/*
** Print abs(w) characters of string "z" on FILE "out".
**
** w is in units of characters, not bytes!
**
** The output is always exactly abs(w) characters wide. If z contains
** more than abs(w) characters, it is truncated. If z contains fewer
** than abs(w) characters it is padded with spaces. Spaces are added
** on the right if w>0 (left justification) or on the left if w<0
** (right justification).
*/
static void outputFixedWidth(FILE *out, int w, const char *z){
int n = strlenChar(z);
int absw = w<0 ? -w : w;
int i;
if( n<=absw ){
if( w<0 ) for(i=absw-n; i>0; i--) putc(' ', out);
fputs(z, out);
if( w>0 ) for(i=absw-n; i>0; i--) putc(' ', out);
}else{
for(i=n=0; z[i]; i++){
if( (z[i]&0xc0)==0x80 ) continue;
if( n==absw ) break;
n++;
}
fwrite(z, 1, i, out);
}
}
/*
** This is the callback routine that the shell
** invokes for each row of a query result.
*/
static int shell_callback(
void *pArg,
................................................................................
int w, n;
if( i<ArraySize(p->colWidth) ){
w = p->colWidth[i];
}else{
w = 0;
}
if( w==0 ){
w = strlenChar(azCol[i] ? azCol[i] : "");
if( w<10 ) w = 10;
n = strlenChar(azArg && azArg[i] ? azArg[i] : p->nullValue);
if( w<n ) w = n;
}
if( i<ArraySize(p->actualWidth) ){
p->actualWidth[i] = w;
}
if( p->showHeader ){
outputFixedWidth(p->out, w, azCol[i]);
fprintf(p->out, "%s", i==nArg-1 ? p->rowSeparator : " ");
}
}
if( p->showHeader ){
for(i=0; i<nArg; i++){
int w;
if( i<ArraySize(p->actualWidth) ){
w = p->actualWidth[i];
................................................................................
int w;
if( i<ArraySize(p->actualWidth) ){
w = p->actualWidth[i];
}else{
w = 10;
}
if( p->mode==MODE_Explain && azArg[i] && strlen30(azArg[i])>w ){
w = strlenChar(azArg[i]);
}
if( i==1 && p->aiIndent && p->pStmt ){
if( p->iIndent<p->nIndent ){
fprintf(p->out, "%*.s", p->aiIndent[p->iIndent], "");
}
p->iIndent++;
}
outputFixedWidth(p->out, w, azArg[i] ? azArg[i] : p->nullValue);
fprintf(p->out, "%s", i==nArg-1 ? p->rowSeparator : " ");
}
break;
}
case MODE_Semi:
case MODE_List: {
if( p->cnt++==0 && p->showHeader ){
for(i=0; i<nArg; i++){
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