Igor Kudrin 652ceaddc0
[YAMLParser] Unfold multi-line scalar values (#70898)
Long scalar values can be split into multiple lines to improve
readability. The rules are described in Section 6.5. "Line Folding",
https://yaml.org/spec/1.2.2/#65-line-folding. In addition, for flow
scalar styles, the Spec states that "All leading and trailing white
space characters on each line are excluded from the content",
https://yaml.org/spec/1.2.2/#73-flow-scalar-styles.

The patch implements these unfolding rules for double-quoted,
single-quoted, and plain scalars.
2023-11-10 07:19:24 +07:00

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# RUN: yaml-bench -canonical %s | FileCheck %s --strict-whitespace
# CHECK: !!map {
# CHECK-NEXT: ? !!str "simple key"
# CHECK-NEXT: : !!map {
# CHECK-NEXT: ? !!str "also simple"
# CHECK-NEXT: : !!str "value",
# CHECK-NEXT: ? !!str "not a simple key"
# CHECK-NEXT: : !!str "any value",
# CHECK-NEXT: },
# CHECK-NEXT: }
"simple key" : {
"also simple" : value,
? "not a
simple key" : "any
value"
}