| 92 | } |
| 93 | |
| 94 | absl::Status ExpressionContainer::AddAbbreviation(absl::string_view abrev) { |
| 95 | if (!IsValidQualifiedName(abrev)) { |
| 96 | return absl::InvalidArgumentError( |
| 97 | absl::StrCat("invalid qualified name: ", abrev)); |
| 98 | } |
| 99 | |
| 100 | auto pos = abrev.rfind('.'); |
| 101 | if (pos == 0 || pos == absl::string_view::npos || pos == abrev.size() - 1) { |
| 102 | return absl::InvalidArgumentError( |
| 103 | absl::StrCat("invalid qualified name: ", abrev, |
| 104 | ", wanted name of the form 'qualified.name'")); |
| 105 | } |
| 106 | |
| 107 | absl::string_view alias = abrev.substr(pos + 1); |
| 108 | return AddAlias(alias, abrev); |
| 109 | } |
| 110 | |
| 111 | absl::Status ExpressionContainer::AddAlias(absl::string_view alias, |
| 112 | absl::string_view name) { |