bool
ArgList::V1WackedToV1Raw(char const *v1_input,MyString *v1_raw,MyString *errmsg)
{
if(!v1_input) return true;
ASSERT(v1_raw);
ASSERT(!IsV2QuotedString(v1_input));
while(*v1_input) {
if(*v1_input == '"') {
if(errmsg) {
MyString msg;
msg.sprintf("Found illegal unescaped double-quote: %s",v1_input);
AddErrorMessage(msg.Value(),errmsg);
}
return false;
}
else if(v1_input[0] == '\\' && v1_input[1] == '"') {
// Escaped double-quote.
v1_input++;
(*v1_raw) += *(v1_input++);
}
else {
(*v1_raw) += *(v1_input++);
}
}
return true;
}
bool
ArgList::V2QuotedToV2Raw(char const *v1_input,MyString *v2_raw,MyString *errmsg)
{
if(!v1_input) return true;
ASSERT(v2_raw);
// allow leading whitespace
while(isspace(*v1_input)) {
v1_input++;
}
ASSERT(IsV2QuotedString(v1_input));
ASSERT(*v1_input == '"');
v1_input++;
const char *quote_terminated = NULL;
while(*v1_input) {
if(*v1_input == '"') {
v1_input++;
if(*v1_input == '"') {
// Repeated (i.e. escaped) double-quote.
(*v2_raw) += *(v1_input++);
}
else {
quote_terminated = v1_input-1;
break;
}
}
else {
(*v2_raw) += *(v1_input++);
}
}
if(!quote_terminated) {
AddErrorMessage("Unterminated double-quote.",errmsg);
return false;
}
// allow trailing whitespace
while(isspace(*v1_input)) {
v1_input++;
}
if(*v1_input) {
if(errmsg) {
MyString msg;
msg.sprintf(
"Unexpected characters following double-quote. "
"Did you forget to escape the double-quote by repeating it? "
"Here is the quote and trailing characters: %s\n",quote_terminated);
AddErrorMessage(msg.Value(),errmsg);
}
return false;
}
return true;
}
bool
ArgList::AppendArgsV2Quoted(char const *args,MyString *error_msg)
{
if(!IsV2QuotedString(args)) {
AddErrorMessage("Expecting double-quoted input string (V2 format).",error_msg);
return false;
}
MyString v2;
if(!V2QuotedToV2Raw(args,&v2,error_msg)) {
return false;
}
return AppendArgsV2Raw(v2.Value(),error_msg);
}
bool
Env::MergeFromV1RawOrV2Quoted( const char *delimitedString, MyString *error_msg )
{
if(!delimitedString) return true;
if(IsV2QuotedString(delimitedString)) {
MyString v2;
if(!V2QuotedToV2Raw(delimitedString,&v2,error_msg)) {
return false;
}
return MergeFromV2Raw(v2.Value(),error_msg);
}
else {
return MergeFromV1Raw(delimitedString,error_msg);
}
}
bool
ArgList::AppendArgsV1RawOrV2Quoted(char const *args,MyString *error_msg)
{
if(IsV2QuotedString(args)) {
// This is actually a V2Quoted string (enclosed in double-quotes).
MyString v2;
if(!V2QuotedToV2Raw(args,&v2,error_msg)) {
return false;
}
return AppendArgsV2Raw(v2.Value(),error_msg);
}
// It is a raw V1 input string, not enclosed in double-quotes.
return AppendArgsV1Raw(args,error_msg);
}
bool
Env::MergeFromV2Quoted( const char *delimitedString, MyString *error_msg )
{
if(!delimitedString) return true;
if(IsV2QuotedString(delimitedString)) {
MyString v2;
if(!V2QuotedToV2Raw(delimitedString,&v2,error_msg)) {
return false;
}
return MergeFromV2Raw(v2.Value(),error_msg);
}
else {
AddErrorMessage("Expecting a double-quoted environment string (V2 format).",error_msg);
return false;
}
}
bool
ArgList::AppendArgsV1WackedOrV2Quoted(char const *args,MyString *error_msg)
{
if(IsV2QuotedString(args)) {
// This is actually a V2Quoted string (enclosed in double-quotes).
MyString v2;
if(!V2QuotedToV2Raw(args,&v2,error_msg)) {
return false;
}
return AppendArgsV2Raw(v2.Value(),error_msg);
}
// It is a V1Wacked string. Literal double-quotes are
// backwacked.
MyString v1;
if(!V1WackedToV1Raw(args,&v1,error_msg)) {
return false;
}
return AppendArgsV1Raw(v1.Value(),error_msg);
}
