Removed obsolete UTF-32 methods.

This commit is contained in:
Ferdinand Majerech 2014-07-29 04:20:14 +02:00
parent 4a09338a7a
commit d80917419f

View file

@ -1856,37 +1856,6 @@ final class Scanner
/// characters into that slice. /// characters into that slice.
/// ///
/// In case of an error, error_ is set. Use throwIfError() to handle this. /// In case of an error, error_ is set. Use throwIfError() to handle this.
void scanTagHandleToSlice(string name)(const Mark startMark)
@system pure nothrow @nogc
{
dchar c = reader_.peek();
enum contextMsg = "While scanning a " ~ name;
if(c != '!')
{
error(contextMsg, startMark, expected("'!'", c), reader_.mark);
return;
}
uint length = 1;
c = reader_.peek(length);
if(c != ' ')
{
while(c.isAlphaNum || "-_"d.canFind(c))
{
++length;
c = reader_.peek(length);
}
if(c != '!')
{
reader_.forward(length);
error(contextMsg, startMark, expected("'!'", c), reader_.mark);
return;
}
++length;
}
reader_.sliceBuilder.write(reader_.get(length));
}
void scanTagHandleToSlice8(string name)(const Mark startMark) void scanTagHandleToSlice8(string name)(const Mark startMark)
@system pure nothrow @nogc @system pure nothrow @nogc
{ {
@ -1925,40 +1894,6 @@ final class Scanner
/// characters into that slice. /// characters into that slice.
/// ///
/// In case of an error, error_ is set. Use throwIfError() to handle this. /// In case of an error, error_ is set. Use throwIfError() to handle this.
void scanTagURIToSlice(string name)(const Mark startMark)
@trusted pure nothrow // @nogc
{
// Note: we do not check if URI is well-formed.
dchar c = reader_.peek();
const startLen = reader_.sliceBuilder.length;
{
uint length = 0;
while(c.isAlphaNum || "-;/?:@&=+$,_.!~*\'()[]%"d.canFind(c))
{
if(c == '%')
{
auto chars = reader_.get(length);
reader_.sliceBuilder.write(chars);
length = 0;
scanURIEscapesToSlice!name(startMark);
if(error_) { return; }
}
else { ++length; }
c = reader_.peek(length);
}
if(length > 0)
{
auto chars = reader_.get(length);
reader_.sliceBuilder.write(chars);
length = 0;
}
}
// OK if we scanned something, error otherwise.
if(reader_.sliceBuilder.length > startLen) { return; }
enum contextMsg = "While parsing a " ~ name;
error(contextMsg, startMark, expected("URI", c), reader_.mark);
}
void scanTagURIToSlice8(string name)(const Mark startMark) void scanTagURIToSlice8(string name)(const Mark startMark)
@trusted pure nothrow // @nogc @trusted pure nothrow // @nogc
{ {
@ -2001,83 +1936,6 @@ final class Scanner
/// characters into that slice. /// characters into that slice.
/// ///
/// In case of an error, error_ is set. Use throwIfError() to handle this. /// In case of an error, error_ is set. Use throwIfError() to handle this.
void scanURIEscapesToSlice(string name)(const Mark startMark)
@system pure nothrow // @nogc
{
// URI escapes encode a UTF-8 string. We store UTF-8 code units here for
// decoding into UTF-32.
char[4] bytes;
size_t bytesUsed;
Mark mark = reader_.mark;
// Get one dchar by decoding data from bytes.
//
// This is probably slow, but simple and URI escapes are extremely uncommon
// in YAML.
static size_t getDchar(char[] bytes, Reader reader_)
{
import std.utf;
size_t nextChar;
const c = std.utf.decode(bytes[], nextChar);
reader_.sliceBuilder.write(c);
if(bytes.length - nextChar > 0)
{
core.stdc.string.memmove(bytes.ptr, bytes.ptr + nextChar,
bytes.length - nextChar);
}
return bytes.length - nextChar;
}
enum contextMsg = "While scanning a " ~ name;
try
{
while(reader_.peek() == '%')
{
reader_.forward();
if(bytesUsed == bytes.length)
{
bytesUsed = getDchar(bytes[], reader_);
}
char b = 0;
uint mult = 16;
// Converting 2 hexadecimal digits to a byte.
foreach(k; 0 .. 2)
{
const dchar c = reader_.peek(k);
if(!c.isHexDigit)
{
auto msg = expected("URI escape sequence of 2 hexadecimal "
"numbers", c);
error(contextMsg, startMark, msg, reader_.mark);
return;
}
uint digit;
if(c - '0' < 10) { digit = c - '0'; }
else if(c - 'A' < 6) { digit = c - 'A'; }
else if(c - 'a' < 6) { digit = c - 'a'; }
else { assert(false); }
b += mult * digit;
mult /= 16;
}
bytes[bytesUsed++] = b;
reader_.forward(2);
}
bytesUsed = getDchar(bytes[0 .. bytesUsed], reader_);
}
catch(UTFException e)
{
error(contextMsg, startMark, e.msg, mark);
return;
}
catch(Exception e)
{
assert(false, "Unexpected exception in scanURIEscapesToSlice");
}
}
void scanURIEscapesToSlice8(string name)(const Mark startMark) void scanURIEscapesToSlice8(string name)(const Mark startMark)
@system pure nothrow // @nogc @system pure nothrow // @nogc
{ {