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** the left margin and that a single line can contain no more than
** lineLength characters. Indent all subsequent lines by indent.
**
** Return the number of newlines that are output.
*/
int comment_print(const char *zText, int indent, int lineLength){
int tlen = lineLength - indent;
int si, sk, i, k;
int len = 0;
int doIndent = 0;
char *zBuf;
const char *zBuf;
char zBuffer[400];
int lineCnt = 0;
#if defined(_WIN32)
if( lineLength<0 ){
CONSOLE_SCREEN_BUFFER_INFO csbi;
memset(&csbi, 0, sizeof(CONSOLE_SCREEN_BUFFER_INFO));
if( GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi) ){
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tlen = COMMENT_LEGACY_LINE_LENGTH - indent;
}
#endif
if( zText==0 ) zText = "(NULL)";
if( tlen<=0 ){
tlen = strlen(zText);
}
if( tlen >= (sizeof(zBuffer)) ){
zBuf = fossil_malloc(tlen+1);
}else{
zBuf = zBuffer;
}
for(;;){
while( fossil_isspace(zText[0]) ){ zText++; }
if( zText[0]==0 ){
if( doIndent==0 ){
fossil_print("\n");
lineCnt = 1;
}
while( fossil_isspace(zText[0]) ){ zText++; }
if( zText[0]==0 ){
if( doIndent==0 ){
fossil_print("\n");
lineCnt = 1;
}
if( zBuf!=zBuffer) fossil_free(zBuf);
return lineCnt;
}
for(sk=si=i=k=0; zText[i] && k<tlen; i++){
char c = zText[i];
if( fossil_isspace(c) ){
return lineCnt;
}
zBuf = zText;
for(;;){
if( zText[0]==0 ){
si = i;
sk = k;
if( k==0 || zBuf[k-1]!=' ' ){
if( doIndent ){
zBuf[k++] = ' ';
}
fossil_print("%*s", indent, "");
}
}else{
zBuf[k] = c;
fossil_print("%.*s\n", zText -zBuf, zBuf);
if( c=='-' && k>0 && fossil_isalpha(zBuf[k-1]) ){
si = i+1;
sk = k+1;
}
lineCnt++;
break;
}
k++;
}
if( zText[0]=='\t' ){
len += 8;
}else{
len++;
}
if( (zText[0]=='\n') || len >= tlen ){
while( !fossil_isspace(zText[0]) ){ zText--; }
if( doIndent ){
fossil_print("%*s", indent, "");
}
doIndent = 1;
if( sk>0 && zText[i] ){
zText += si;
if( doIndent ){
fossil_print("%*s", indent, "");
}
doIndent = 1;
fossil_print("%.*s\n", zText -zBuf, zBuf);
zBuf = zText;
zBuf[sk] = 0;
}else{
zText += i;
zBuf[k] = 0;
len=0;
lineCnt++;
if( !zBuf++ ) break;
}
fossil_print("%s\n", zBuf);
lineCnt++;
zText++;
}
return lineCnt;
}
/*
** Test the comment printing
**
** COMMAND: test-comment-format
*/
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