/*
** If string z[0...] contains a valid variable name, return
** the number of characters in that name. Otherwise, return 0.
*/
static int validVarName(const char *z){
int i = 0;
int inBracket = 0;
if( z[0]=='<' ){
inBracket = 1;
z++;
}
if( z[0]==':' && z[1]==':' && fossil_isalpha(z[2]) ){
z += 3;
i += 3;
}else if( fossil_isalpha(z[0]) ){
z ++;
i += 1;
}else{
return 0;
}
while( fossil_isalnum(z[0]) || z[0]=='_' ){
z++;
i++;
}
if( inBracket ){
if( z[0]!='>' ) return 0;
i += 2;
}
return i;
}
/*
** Given a comment string zText, format that string for printing
** on a TTY. Assume that the output cursors is indent spaces from
** 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 doIndent = 0;
char *zBuf;
char zBuffer[400];
int lineCnt = 0;
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;
}
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) ){
si = i;
sk = k;
if( k==0 || zBuf[k-1]!=' ' ){
zBuf[k++] = ' ';
}
}else{
zBuf[k] = c;
if( c=='-' && k>0 && fossil_isalpha(zBuf[k-1]) ){
si = i+1;
sk = k+1;
}
k++;
}
}
if( doIndent ){
fossil_print("%*s", indent, "");
}
doIndent = 1;
if( sk>0 && zText[i] ){
zText += si;
zBuf[sk] = 0;
}else{
zText += i;
zBuf[k] = 0;
}
fossil_print("%s\n", zBuf);
lineCnt++;
}
}
/*
** Given a comment string zText, format that string for printing
** on a TTY. Assume that the output cursors is indent spaces from
** the left margin and that a single line can contain no more than
** lineLength characters. Indent all subsequent lines by indent.
**
** lineLength must be less than 400.
**
** 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 doIndent = 0;
char zBuf[400];
int lineCnt = 0;
for(;;){
while( fossil_isspace(zText[0]) ){ zText++; }
if( zText[0]==0 ){
if( doIndent==0 ){
fossil_print("\n");
lineCnt = 1;
}
return lineCnt;
}
for(sk=si=i=k=0; zText[i] && k<tlen; i++){
char c = zText[i];
if( fossil_isspace(c) ){
si = i;
sk = k;
if( k==0 || zBuf[k-1]!=' ' ){
zBuf[k++] = ' ';
}
}else{
zBuf[k] = c;
if( c=='-' && k>0 && fossil_isalpha(zBuf[k-1]) ){
si = i+1;
sk = k+1;
}
k++;
}
}
if( doIndent ){
fossil_print("%*s", indent, "");
}
doIndent = 1;
if( sk>0 && zText[i] ){
zText += si;
zBuf[sk++] = '\n';
zBuf[sk] = 0;
fossil_print("%s", zBuf);
}else{
zText += i;
zBuf[k++] = '\n';
zBuf[k] = 0;
fossil_print("%s", zBuf);
}
lineCnt++;
}
}
