diff options
Diffstat (limited to 'crates')
| -rw-r--r-- | crates/shirabe-php-shim/src/json.rs | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/crates/shirabe-php-shim/src/json.rs b/crates/shirabe-php-shim/src/json.rs index 3d3ee5b..e2c48e4 100644 --- a/crates/shirabe-php-shim/src/json.rs +++ b/crates/shirabe-php-shim/src/json.rs @@ -29,9 +29,19 @@ pub fn json_encode_ex<T: serde::Serialize + ?Sized>( // JSON_UNESCAPED_SLASHES and JSON_UNESCAPED_UNICODE set: forward slashes and non-ASCII // characters are emitted verbatim. The two flags below re-apply PHP's default escaping when // they are absent. - // TODO(phase-c): other flags (e.g. JSON_PRETTY_PRINT, JSON_HEX_*, JSON_THROW_ON_ERROR) are not - // handled yet; add them when a call site needs them. - let mut s = serde_json::to_string(value)?; + // TODO(phase-c): other flags (e.g. JSON_HEX_*, JSON_THROW_ON_ERROR) are not handled yet; add + // them when a call site needs them. + let mut s = if flags & JSON_PRETTY_PRINT != 0 { + // PHP's JSON_PRETTY_PRINT uses a 4-space indent. + use serde::Serialize; + let mut buf = Vec::new(); + let formatter = serde_json::ser::PrettyFormatter::with_indent(b" "); + let mut ser = serde_json::Serializer::with_formatter(&mut buf, formatter); + value.serialize(&mut ser)?; + String::from_utf8(buf)? + } else { + serde_json::to_string(value)? + }; if flags & JSON_UNESCAPED_SLASHES == 0 { s = s.replace('/', "\\/"); |