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Taah
2022-05-04 05:19:34 -07:00
parent de13860741
commit a24aa6a962
28 changed files with 142 additions and 142 deletions
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331
proxy/src/main/java/dev/plex/toml/Identifier.java
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@ -1,331 +0,0 @@
package dev.plex.toml;
public class Identifier
{
static final Identifier INVALID = new Identifier("", null);
private static final String ALLOWED_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890_-";
private final String name;
private final Type type;
static Identifier from(String name, Context context)
{
Type type;
boolean valid;
name = name.trim();
if (name.startsWith("[["))
{
type = Type.TABLE_ARRAY;
valid = isValidTableArray(name, context);
} else if (name.startsWith("["))
{
type = Type.TABLE;
valid = isValidTable(name, context);
} else
{
type = Type.KEY;
valid = isValidKey(name, context);
}
if (!valid)
{
return Identifier.INVALID;
}
return new Identifier(extractName(name), type);
}
private Identifier(String name, Type type)
{
this.name = name;
this.type = type;
}
String getName()
{
return name;
}
String getBareName()
{
if (isKey())
{
return name;
}
if (isTable())
{
return name.substring(1, name.length() - 1);
}
return name.substring(2, name.length() - 2);
}
boolean isKey()
{
return type == Type.KEY;
}
boolean isTable()
{
return type == Type.TABLE;
}
boolean isTableArray()
{
return type == Type.TABLE_ARRAY;
}
private static enum Type
{
KEY, TABLE, TABLE_ARRAY;
}
private static String extractName(String raw)
{
boolean quoted = false;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < raw.length(); i++)
{
char c = raw.charAt(i);
if (c == '"' && (i == 0 || raw.charAt(i - 1) != '\\'))
{
quoted = !quoted;
sb.append('"');
} else if (quoted || !Character.isWhitespace(c))
{
sb.append(c);
}
}
return StringValueReaderWriter.STRING_VALUE_READER_WRITER.replaceUnicodeCharacters(sb.toString());
}
private static boolean isValidKey(String name, Context context)
{
if (name.trim().isEmpty())
{
context.errors.invalidKey(name, context.line.get());
return false;
}
boolean quoted = false;
for (int i = 0; i < name.length(); i++)
{
char c = name.charAt(i);
if (c == '"' && (i == 0 || name.charAt(i - 1) != '\\'))
{
if (!quoted && i > 0 && name.charAt(i - 1) != '.')
{
context.errors.invalidKey(name, context.line.get());
return false;
}
quoted = !quoted;
} else if (!quoted && (ALLOWED_CHARS.indexOf(c) == -1))
{
context.errors.invalidKey(name, context.line.get());
return false;
}
}
return true;
}
private static boolean isValidTable(String name, Context context)
{
boolean valid = true;
if (!name.endsWith("]"))
{
valid = false;
}
String trimmed = name.substring(1, name.length() - 1).trim();
if (trimmed.isEmpty() || trimmed.charAt(0) == '.' || trimmed.endsWith("."))
{
valid = false;
}
if (!valid)
{
context.errors.invalidTable(name, context.line.get());
return false;
}
boolean quoted = false;
boolean dotAllowed = false;
boolean quoteAllowed = true;
boolean charAllowed = true;
for (int i = 0; i < trimmed.length(); i++)
{
char c = trimmed.charAt(i);
if (!valid)
{
break;
}
if (dev.plex.toml.Keys.isQuote(c))
{
if (!quoteAllowed)
{
valid = false;
} else if (quoted && trimmed.charAt(i - 1) != '\\')
{
charAllowed = false;
dotAllowed = true;
quoteAllowed = false;
} else if (!quoted)
{
quoted = true;
quoteAllowed = true;
}
} else if (quoted)
{
continue;
} else if (c == '.')
{
if (dotAllowed)
{
charAllowed = true;
dotAllowed = false;
quoteAllowed = true;
} else
{
context.errors.emptyImplicitTable(name, context.line.get());
return false;
}
} else if (Character.isWhitespace(c))
{
char prev = trimmed.charAt(i - 1);
if (!Character.isWhitespace(prev) && prev != '.')
{
charAllowed = false;
dotAllowed = true;
quoteAllowed = true;
}
} else
{
if (charAllowed && ALLOWED_CHARS.indexOf(c) > -1)
{
charAllowed = true;
dotAllowed = true;
quoteAllowed = false;
} else
{
valid = false;
}
}
}
if (!valid)
{
context.errors.invalidTable(name, context.line.get());
return false;
}
return true;
}
private static boolean isValidTableArray(String line, Context context)
{
boolean valid = true;
if (!line.endsWith("]]"))
{
valid = false;
}
String trimmed = line.substring(2, line.length() - 2).trim();
if (trimmed.isEmpty() || trimmed.charAt(0) == '.' || trimmed.endsWith("."))
{
valid = false;
}
if (!valid)
{
context.errors.invalidTableArray(line, context.line.get());
return false;
}
boolean quoted = false;
boolean dotAllowed = false;
boolean quoteAllowed = true;
boolean charAllowed = true;
for (int i = 0; i < trimmed.length(); i++)
{
char c = trimmed.charAt(i);
if (!valid)
{
break;
}
if (c == '"')
{
if (!quoteAllowed)
{
valid = false;
} else if (quoted && trimmed.charAt(i - 1) != '\\')
{
charAllowed = false;
dotAllowed = true;
quoteAllowed = false;
} else if (!quoted)
{
quoted = true;
quoteAllowed = true;
}
} else if (quoted)
{
continue;
} else if (c == '.')
{
if (dotAllowed)
{
charAllowed = true;
dotAllowed = false;
quoteAllowed = true;
} else
{
context.errors.emptyImplicitTable(line, context.line.get());
return false;
}
} else if (Character.isWhitespace(c))
{
char prev = trimmed.charAt(i - 1);
if (!Character.isWhitespace(prev) && prev != '.' && prev != '"')
{
charAllowed = false;
dotAllowed = true;
quoteAllowed = true;
}
} else
{
if (charAllowed && ALLOWED_CHARS.indexOf(c) > -1)
{
charAllowed = true;
dotAllowed = true;
quoteAllowed = false;
} else
{
valid = false;
}
}
}
if (!valid)
{
context.errors.invalidTableArray(line, context.line.get());
return false;
}
return true;
}
}