/// <summary>
/// Verify that tokens have no format specification and that they have a
/// user-supplied, valid identifier as name. Offending tokens are replaced
/// by error tokens. Everything else we leav to the interpreter to check
/// in Execute().
/// </summary>
protected override ValidationResult validateTokens(string language,
string templateName,
ref List <TokenBase> templateTokens)
{
for (int i = 0; i < templateTokens.Count; i++)
{
TokenBase token = templateTokens[i];
if (token.hasFormatOrMappings())
{
templateTokens[i] = new ErrorToken(token.getSource(),
"HasFormatOrMappings");
return(createTokenError(language, templateName, templateTokens[i]));
}
if (token.hasDefaultName())
{
templateTokens[i] = new ErrorToken(token.getSource(),
"HasDefaultName");
return(createTokenError(language, templateName, templateTokens[i]));
}
if (token is ConstStringToken csToken)
{
string text = csToken.getText();
if (hasOutOfRangeRef(text, templateName))
{
templateTokens[i] = new ErrorToken(token.getSource(),
"HasOutOfRangeRef");
return(createTextError(language, templateName, templateTokens[i]));
}
if (hasAssignment(text))
{
templateTokens[i] = new ErrorToken(token.getSource(),
"HasAssignment");
return(createTextError(language, templateName, templateTokens[i]));
}
}
if (token is VarTokenBase varToken)
{
if (!isIdentifier(varToken.getName()))
{
templateTokens[i] = new ErrorToken(token.getSource(),
"HasUnusableName");
return(createTokenError(language, templateName, templateTokens[i]));
}
}
}
return(new ValidationResult {
HasError = false
});
}
protected ValidationResult createTextError(string language,
string templateName,
TokenBase token)
{
return(new ValidationResult {
HasError = true,
Message = Localize(language, templateName) + ": " +
"…" + token.getSource() + "…" +
Localize(language, token.getError())
});
}
protected ValidationResult createTokenError(string language,
string templateName,
TokenBase token)
{
return(new ValidationResult {
HasError = true,
Message = Localize(language, templateName) + ": " +
Char.ToString(PLACEHOLDER_DELIMITERS[0]) +
token.getSource() +
Char.ToString(PLACEHOLDER_DELIMITERS[1]) +
Localize(language, token.getError())
});
}
