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authordependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>2019-11-20 09:19:16 +0000
committerValentin Rothberg <rothberg@redhat.com>2019-11-22 15:02:32 +0100
commit7377528764e2a1b1157d50106832d97ec55515ac (patch)
treefca8992e67a60c5a73290c31006ae2c8195c59bd /vendor/gopkg.in/yaml.v2/scannerc.go
parentc673ff8cb63c71a39e1a1d561373af42bfea7f24 (diff)
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build(deps): bump gopkg.in/yaml.v2 from 2.2.5 to 2.2.7
Bumps [gopkg.in/yaml.v2](https://github.com/go-yaml/yaml) from 2.2.5 to 2.2.7. - [Release notes](https://github.com/go-yaml/yaml/releases) - [Commits](https://github.com/go-yaml/yaml/compare/v2.2.5...v2.2.7) Signed-off-by: dependabot-preview[bot] <support@dependabot.com> Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/gopkg.in/yaml.v2/scannerc.go')
-rw-r--r--vendor/gopkg.in/yaml.v2/scannerc.go76
1 files changed, 41 insertions, 35 deletions
diff --git a/vendor/gopkg.in/yaml.v2/scannerc.go b/vendor/gopkg.in/yaml.v2/scannerc.go
index 570b8ecd1..b33bdbaec 100644
--- a/vendor/gopkg.in/yaml.v2/scannerc.go
+++ b/vendor/gopkg.in/yaml.v2/scannerc.go
@@ -634,13 +634,14 @@ func yaml_parser_fetch_more_tokens(parser *yaml_parser_t) bool {
need_more_tokens = true
} else {
// Check if any potential simple key may occupy the head position.
- if !yaml_parser_stale_simple_keys(parser) {
- return false
- }
-
- for i := range parser.simple_keys {
+ for i := len(parser.simple_keys) - 1; i >= 0; i-- {
simple_key := &parser.simple_keys[i]
- if simple_key.possible && simple_key.token_number == parser.tokens_parsed {
+ if simple_key.token_number < parser.tokens_parsed {
+ break
+ }
+ if valid, ok := yaml_simple_key_is_valid(parser, simple_key); !ok {
+ return false
+ } else if valid && simple_key.token_number == parser.tokens_parsed {
need_more_tokens = true
break
}
@@ -678,11 +679,6 @@ func yaml_parser_fetch_next_token(parser *yaml_parser_t) bool {
return false
}
- // Remove obsolete potential simple keys.
- if !yaml_parser_stale_simple_keys(parser) {
- return false
- }
-
// Check the indentation level against the current column.
if !yaml_parser_unroll_indent(parser, parser.mark.column) {
return false
@@ -837,29 +833,30 @@ func yaml_parser_fetch_next_token(parser *yaml_parser_t) bool {
"found character that cannot start any token")
}
-// Check the list of potential simple keys and remove the positions that
-// cannot contain simple keys anymore.
-func yaml_parser_stale_simple_keys(parser *yaml_parser_t) bool {
- // Check for a potential simple key for each flow level.
- for i := range parser.simple_keys {
- simple_key := &parser.simple_keys[i]
-
- // The specification requires that a simple key
- //
- // - is limited to a single line,
- // - is shorter than 1024 characters.
- if simple_key.possible && (simple_key.mark.line < parser.mark.line || simple_key.mark.index+1024 < parser.mark.index) {
-
- // Check if the potential simple key to be removed is required.
- if simple_key.required {
- return yaml_parser_set_scanner_error(parser,
- "while scanning a simple key", simple_key.mark,
- "could not find expected ':'")
- }
- simple_key.possible = false
+func yaml_simple_key_is_valid(parser *yaml_parser_t, simple_key *yaml_simple_key_t) (valid, ok bool) {
+ if !simple_key.possible {
+ return false, true
+ }
+
+ // The 1.2 specification says:
+ //
+ // "If the ? indicator is omitted, parsing needs to see past the
+ // implicit key to recognize it as such. To limit the amount of
+ // lookahead required, the “:” indicator must appear at most 1024
+ // Unicode characters beyond the start of the key. In addition, the key
+ // is restricted to a single line."
+ //
+ if simple_key.mark.line < parser.mark.line || simple_key.mark.index+1024 < parser.mark.index {
+ // Check if the potential simple key to be removed is required.
+ if simple_key.required {
+ return false, yaml_parser_set_scanner_error(parser,
+ "while scanning a simple key", simple_key.mark,
+ "could not find expected ':'")
}
+ simple_key.possible = false
+ return false, true
}
- return true
+ return true, true
}
// Check if a simple key may start at the current position and add it if
@@ -879,8 +876,8 @@ func yaml_parser_save_simple_key(parser *yaml_parser_t) bool {
possible: true,
required: required,
token_number: parser.tokens_parsed + (len(parser.tokens) - parser.tokens_head),
+ mark: parser.mark,
}
- simple_key.mark = parser.mark
if !yaml_parser_remove_simple_key(parser) {
return false
@@ -912,7 +909,12 @@ const max_flow_level = 10000
// Increase the flow level and resize the simple key list if needed.
func yaml_parser_increase_flow_level(parser *yaml_parser_t) bool {
// Reset the simple key on the next level.
- parser.simple_keys = append(parser.simple_keys, yaml_simple_key_t{})
+ parser.simple_keys = append(parser.simple_keys, yaml_simple_key_t{
+ possible: false,
+ required: false,
+ token_number: parser.tokens_parsed + (len(parser.tokens) - parser.tokens_head),
+ mark: parser.mark,
+ })
// Increase the flow level.
parser.flow_level++
@@ -1286,7 +1288,11 @@ func yaml_parser_fetch_value(parser *yaml_parser_t) bool {
simple_key := &parser.simple_keys[len(parser.simple_keys)-1]
// Have we found a simple key?
- if simple_key.possible {
+ if valid, ok := yaml_simple_key_is_valid(parser, simple_key); !ok {
+ return false
+
+ } else if valid {
+
// Create the KEY token and insert it into the queue.
token := yaml_token_t{
typ: yaml_KEY_TOKEN,