SkString SkTabString(const SkString& string, int tabCnt) {
if (tabCnt <= 0) {
return string;
}
SkString tabs;
for (int i = 0; i < tabCnt; ++i) {
tabs.append("\t");
}
SkString result;
static const char newline[] = "\n";
const char* input = string.c_str();
int nextNL = SkStrFind(input, newline);
while (nextNL >= 0) {
if (nextNL > 0) {
result.append(tabs);
}
result.append(input, nextNL + 1);
input += nextNL + 1;
nextNL = SkStrFind(input, newline);
}
if (*input != '\0') {
result.append(tabs);
result.append(input);
}
return result;
}
static void print_indented(const SkString& text) {
size_t length = text.size();
const char* currLine = text.c_str();
const char* stop = currLine + length;
while (currLine < stop) {
int lineBreak = SkStrFind(currLine, "\n");
if (lineBreak < 0) {
lineBreak = static_cast<int>(strlen(currLine));
}
if (lineBreak > LINE_LENGTH) {
// No line break within line length. Will need to insert one.
// Find a space before the line break.
int spaceIndex = LINE_LENGTH - 1;
while (spaceIndex > 0 && currLine[spaceIndex] != ' ') {
spaceIndex--;
}
int gap;
if (0 == spaceIndex) {
// No spaces on the entire line. Go ahead and break mid word.
spaceIndex = LINE_LENGTH;
gap = 0;
} else {
// Skip the space on the next line
gap = 1;
}
SkDebugf(" %.*s\n", spaceIndex, currLine);
currLine += spaceIndex + gap;
} else {
// the line break is within the limit. Break there.
lineBreak++;
SkDebugf(" %.*s", lineBreak, currLine);
currLine += lineBreak;
}
}
}
static void print_help_for_flag(const SkFlagInfo* flag) {
SkDebugf("\t--%s", flag->name().c_str());
const SkString& shortName = flag->shortName();
if (shortName.size() > 0) {
SkDebugf(" or -%s", shortName.c_str());
}
SkDebugf(":\ttype: %s", flag->typeAsString().c_str());
if (flag->defaultValue().size() > 0) {
SkDebugf("\tdefault: %s", flag->defaultValue().c_str());
}
SkDebugf("\n");
const SkString& help = flag->help();
size_t length = help.size();
const char* currLine = help.c_str();
const char* stop = currLine + length;
while (currLine < stop) {
if (strlen(currLine) < LINE_LENGTH) {
// Only one line length's worth of text left.
SkDebugf("\t\t%s\n", currLine);
break;
}
int lineBreak = SkStrFind(currLine, "\n");
if (lineBreak < 0 || lineBreak > LINE_LENGTH) {
// No line break within line length. Will need to insert one.
// Find a space before the line break.
int spaceIndex = LINE_LENGTH - 1;
while (spaceIndex > 0 && currLine[spaceIndex] != ' ') {
spaceIndex--;
}
int gap;
if (0 == spaceIndex) {
// No spaces on the entire line. Go ahead and break mid word.
spaceIndex = LINE_LENGTH;
gap = 0;
} else {
// Skip the space on the next line
gap = 1;
}
SkDebugf("\t\t%.*s\n", spaceIndex, currLine);
currLine += spaceIndex + gap;
} else {
// the line break is within the limit. Break there.
lineBreak++;
SkDebugf("\t\t%.*s", lineBreak, currLine);
currLine += lineBreak;
}
}
SkDebugf("\n");
}
bool SkFlagInfo::match(const char* string) {
if (SkStrStartsWith(string, '-') && strlen(string) > 1) {
string++;
const SkString* compareName;
if (SkStrStartsWith(string, '-') && strlen(string) > 1) {
string++;
// There were two dashes. Compare against full name.
compareName = &fName;
} else {
// One dash. Compare against the short name.
compareName = &fShortName;
}
if (kBool_FlagType == fFlagType) {
// In this case, go ahead and set the value.
if (compareName->equals(string)) {
*fBoolValue = true;
return true;
}
if (SkStrStartsWith(string, "no") && strlen(string) > 2) {
string += 2;
// Only allow "no" to be prepended to the full name.
if (fName.equals(string)) {
*fBoolValue = false;
return true;
}
return false;
}
int equalIndex = SkStrFind(string, "=");
if (equalIndex > 0) {
// The string has an equal sign. Check to see if the string matches.
SkString flag(string, equalIndex);
if (flag.equals(*compareName)) {
// Check to see if the remainder beyond the equal sign is true or false:
string += equalIndex + 1;
parse_bool_arg(string, fBoolValue);
return true;
} else {
return false;
}
}
}
return compareName->equals(string);
} else {
// Has no dash
return false;
}
return false;
}
