diff options
Diffstat (limited to 'vendor/github.com/vektah/gqlparser/lexer/blockstring.go')
-rw-r--r-- | vendor/github.com/vektah/gqlparser/lexer/blockstring.go | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/vendor/github.com/vektah/gqlparser/lexer/blockstring.go b/vendor/github.com/vektah/gqlparser/lexer/blockstring.go deleted file mode 100644 index 4065a610..00000000 --- a/vendor/github.com/vektah/gqlparser/lexer/blockstring.go +++ /dev/null @@ -1,58 +0,0 @@ -package lexer - -import ( - "math" - "strings" -) - -// blockStringValue produces the value of a block string from its parsed raw value, similar to -// Coffeescript's block string, Python's docstring trim or Ruby's strip_heredoc. -// -// This implements the GraphQL spec's BlockStringValue() static algorithm. -func blockStringValue(raw string) string { - lines := strings.Split(raw, "\n") - - commonIndent := math.MaxInt32 - for _, line := range lines { - indent := leadingWhitespace(line) - if indent < len(line) && indent < commonIndent { - commonIndent = indent - if commonIndent == 0 { - break - } - } - } - - if commonIndent != math.MaxInt32 && len(lines) > 0 { - for i := 1; i < len(lines); i++ { - if len(lines[i]) < commonIndent { - lines[i] = "" - } else { - lines[i] = lines[i][commonIndent:] - } - } - } - - start := 0 - end := len(lines) - - for start < end && leadingWhitespace(lines[start]) == math.MaxInt32 { - start++ - } - - for start < end && leadingWhitespace(lines[end-1]) == math.MaxInt32 { - end-- - } - - return strings.Join(lines[start:end], "\n") -} - -func leadingWhitespace(str string) int { - for i, r := range str { - if r != ' ' && r != '\t' { - return i - } - } - // this line is made up entirely of whitespace, its leading whitespace doesnt count. - return math.MaxInt32 -} |