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/*
Copyright (c) 2020 Kevin Jones, All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
*/
package com.nawforce.pkgforce.names
object Identifier {
/** Check is name is a legal identifier, None if OK or error message string. */
def isLegalIdentifier(name: Name): Option[String] = {
val value = name.value
assert(value.nonEmpty)
if (value.startsWith("__sfdc_trigger")) {
if (!value.matches("^((__sfdc_trigger)/[0-9a-zA-Z_]+)(/[0-9a-zA-Z_]+)?$")) {
return Some(
"can only be in the format '__sfdc_trigger/namespace/name' or '__sfdc_trigger/name'"
)
}
None
} else if (!value.matches("^[0-9a-zA-Z_]*$")) {
Some("can only use characters A-Z, a-z, 0-9 or _")
} else if (value(0) >= '0' && value(0) <= '9') {
Some("can not start with a digit")
} else if (value.head == '_' || value.last == '_') {
Some("can not start or end with '_'")
} else if (value.contains("__")) {
Some("can not use '__'")
} else {
None
}
}
/** Check is name is a reserved identifier, None if OK or error message string. */
def isReservedIdentifier(name: Name): Boolean = {
reservedIdentifiers.contains(name)
}
/** Check is name is a reserved identifier, None if OK or error message string. */
def isReservedMethodIdentifier(name: Name): Boolean = {
!methodNotReservedIdentifiers.contains(name) && reservedIdentifiers.contains(name)
}
// This is the official reserved keyword list, from
// https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_reserved_words.htm
private lazy val reservedIdentifiers: Set[Name] = Set(
Name("abstract"),
Name("activate"),
Name("and"),
Name("any"),
Name("array"),
Name("as"),
Name("asc"),
Name("autonomous"),
Name("begin"),
Name("bigdecimal"),
Name("blob"),
Name("boolean"),
Name("break"),
Name("bulk"),
Name("by"),
Name("byte"),
Name("case"),
Name("cast"),
Name("catch"),
Name("char"),
Name("class"),
Name("collect"),
Name("commit"),
Name("const"),
Name("continue"),
Name("currency"),
Name("date"),
Name("datetime"),
Name("decimal"),
Name("default"),
Name("delete"),
Name("desc"),
Name("do"),
Name("double"),
Name("else"),
Name("end"),
Name("enum"),
Name("exception"),
Name("exit"),
Name("export"),
Name("extends"),
Name("false"),
Name("final"),
Name("finally"),
Name("float"),
Name("for"),
Name("from"),
Name("global"),
Name("goto"),
Name("group"),
Name("having"),
Name("hint"),
Name("if"),
Name("implements"),
Name("import"),
Name("in"),
Name("inner"),
Name("insert"),
Name("instanceof"),
Name("int"),
Name("integer"),
Name("interface"),
Name("into"),
Name("join"),
Name("like"),
Name("limit"),
Name("list"),
Name("long"),
Name("loop"),
Name("map"),
Name("merge"),
Name("new"),
Name("not"),
Name("null"),
Name("nulls"),
Name("number"),
Name("object"),
Name("of"),
Name("on"),
Name("or"),
Name("outer"),
Name("override"),
Name("package"),
Name("parallel"),
Name("pragma"),
Name("private"),
Name("protected"),
Name("public"),
Name("retrieve"),
Name("return"),
Name("rollback"),
Name("select"),
Name("set"),
Name("short"),
Name("sobject"),
Name("sort"),
Name("static"),
Name("string"),
Name("super"),
Name("switch"),
Name("synchronized"),
Name("system"),
Name("testmethod"),
Name("then"),
Name("this"),
Name("throw"),
Name("time"),
Name("transaction"),
Name("trigger"),
Name("true"),
Name("try"),
Name("undelete"),
Name("update"),
Name("upsert"),
Name("using"),
Name("virtual"),
Name("void"),
Name("webservice"),
Name("when"),
Name("where"),
Name("while")
)
// Methods can use some identifiers that are reserved
private lazy val methodNotReservedIdentifiers: Set[Name] = Set(
Name("activate"),
Name("any"),
Name("array"),
Name("autonomous"),
Name("begin"),
Name("bigdecimal"),
Name("blob"),
Name("boolean"),
Name("byte"),
Name("case"),
Name("cast"),
Name("char"),
Name("collect"),
Name("const"),
Name("currency"),
Name("date"),
Name("datetime"),
Name("decimal"),
Name("default"),
Name("double"),
Name("end"),
Name("exception"),
Name("exit"),
Name("export"),
Name("float"),
Name("goto"),
Name("group"),
Name("hint"),
Name("import"),
Name("inner"),
Name("integer"),
Name("int"),
Name("into"),
Name("join"),
Name("long"),
Name("loop"),
Name("number"),
Name("object"),
Name("of"),
Name("outer"),
Name("package"),
Name("parallel"),
Name("pragma"),
Name("retrieve"),
Name("rollback"),
Name("set"),
Name("short"),
Name("sobject"),
Name("sort"),
Name("string"),
Name("switch"),
Name("synchronized"),
Name("system"),
Name("then"),
Name("time"),
Name("transaction"),
Name("void"),
Name("when")
)
}
