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Diffstat (limited to 'common/herrors/line_number_extractors.go')
-rw-r--r-- | common/herrors/line_number_extractors.go | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/common/herrors/line_number_extractors.go b/common/herrors/line_number_extractors.go new file mode 100644 index 000000000..93969b967 --- /dev/null +++ b/common/herrors/line_number_extractors.go @@ -0,0 +1,66 @@ +// Copyright 2018 The Hugo Authors. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitatio ns under the License. + +package herrors + +import ( + "regexp" + "strconv" +) + +var lineNumberExtractors = []lineNumberExtractor{ + // Template/shortcode parse errors + newLineNumberErrHandlerFromRegexp(".*:(\\d+):(\\d*):"), + newLineNumberErrHandlerFromRegexp(".*:(\\d+):"), + + // TOML parse errors + newLineNumberErrHandlerFromRegexp(".*Near line (\\d+)(\\s.*)"), + + // YAML parse errors + newLineNumberErrHandlerFromRegexp("line (\\d+):"), + + // i18n bundle errors + newLineNumberErrHandlerFromRegexp("\\((\\d+),\\s(\\d*)"), +} + +type lineNumberExtractor func(e error) (int, int) + +func newLineNumberErrHandlerFromRegexp(expression string) lineNumberExtractor { + re := regexp.MustCompile(expression) + return extractLineNo(re) +} + +func extractLineNo(re *regexp.Regexp) lineNumberExtractor { + return func(e error) (int, int) { + if e == nil { + panic("no error") + } + col := 1 + s := e.Error() + m := re.FindStringSubmatch(s) + if len(m) >= 2 { + lno, _ := strconv.Atoi(m[1]) + if len(m) > 2 { + col, _ = strconv.Atoi(m[2]) + } + + if col <= 0 { + col = 1 + } + + return lno, col + } + + return -1, col + } +} |