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encode() did not escape backslashes, so a message ending in a backslash produced a msgstr line where the closing quote became part of an escape sequence. On re-parse the unterminated string swallowed following entries, corrupting the catalog. decode() unescaped \n, \r, \t and \" as independent sequential replacements without honoring escaped backslashes, so \\n decoded to a stray backslash plus a newline instead of a literal backslash followed by 'n'. Replace it with a single escape-aware pass that handles \\, \", \n, \r and \t per the gettext conventions. The load() extraction pattern used .* with a single-backslash lookbehind before closing quotes, which cannot parse strings whose last character is an escaped backslash (the real closing quote looks escaped). Use an explicit escape-aware quoted-string token instead, and make inter-string whitespace lazy so a message block cannot consume the separator required by the next entry.
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🧰 Additional context used🪛 ast-grep (0.45.2)tests/framework/i18n/GettextPoFileTest.php[info] 156-156: Avoid unsafe call to unlink (avoid-unlink) 🪛 PHPMD (2.15.0)tests/framework/i18n/GettextPoFileTest.php[error] 142-142: Avoid using static access to class '\Yii' in method 'testLoadDoesNotLoseFollowingEntryAfterMalformedQuotedString'. (undefined) (StaticAccess) 🔇 Additional comments (3)
📝 WalkthroughSummary by CodeRabbit
WalkthroughGettext PO parsing now handles escaped quoted strings. Encoding escapes backslashes and special characters. Decoding joins multiline fragments and preserves unknown escapes. Tests cover round trips and malformed input recovery. ChangesGettext PO escaping
Poem
Merge Risk: ⚪ Minimal · up to The PR updates PO-file escaping and parsing with accompanying tests; no actionable merge-blocking risk remains beyond normal checks and review. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 8 functions across 2 files. (1 skipped: 1 unsupported.)
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Inline comments:
In `@framework/i18n/GettextPoFile.php`:
- Line 30: The GettextPoFile load/save flow handles msgctxt inconsistently:
decode the captured context in load() as a quoted PO string while preserving ''
when no context exists, and apply encode() to contexts in save() so PO escaping
remains valid.
In `@tests/framework/i18n/GettextPoFileTest.php`:
- Around line 117-123: Update the round-trip test’s $context value to include an
escapable backslash or quote, then pass that same decoded context to load() so
context escaping and matching are exercised.
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framework/i18n/GettextPoFile.phptests/framework/i18n/GettextPoFileTest.php
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🧰 Additional context used
🪛 ast-grep (0.45.1)
tests/framework/i18n/GettextPoFileTest.php
[info] 134-134: Avoid unsafe call to unlink
Context: unlink($filePath)
Note: [CWE-73] External Control of File Name or Path.
(avoid-unlink)
🪛 PHPMD (2.15.0)
tests/framework/i18n/GettextPoFileTest.php
[error] 115-115: Avoid using static access to class '\Yii' in method 'testSaveLoadRoundTripWithSpecialCharacters'. (undefined)
(StaticAccess)
🔇 Additional comments (2)
framework/i18n/GettextPoFile.php (1)
104-120: LGTM!tests/framework/i18n/GettextPoFileTest.php (1)
13-13: LGTM!Also applies to: 44-44, 53-53
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #21074 +/- ##
=========================================
Coverage 80.69% 80.70%
- Complexity 11552 11559 +7
=========================================
Files 374 374
Lines 30280 30293 +13
=========================================
+ Hits 24435 24447 +12
- Misses 5845 5846 +1 ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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Aug 26, 2026
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Aug 26, 2026
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Motivation
GettextPoFilemishandles backslashes in three compounding ways:encode()escapes",\n,\t,\rbut not the backslash itself. A message ending in a backslash produces amsgstr "x\"line where the closing quote becomes part of an escape sequence; on re-parse the unterminated string swallows following entries and corrupts the catalog.decode()unescapes\n,\r,\t,\"as independent sequential replacements without honoring escaped backslashes, so the two-character sequence\+\n-escape decodes to a stray backslash plus a newline instead of a literal backslash followed byn.load()extraction pattern places a single-backslash negative lookbehind before closing quotes (".*(?<!\\)"). It cannot parse strings whose last character is an escaped backslash — the real closing quote looks escaped to it — and such messages silently disappear from the loaded catalog.Changes
encode(): escape the backslash first, then the other special characters.decode(): replace the sequential replacements with one escape-aware pass handling\\,\",\n,\r,\tper gettext conventions (unknown escapes pass through unchanged).load(): use an explicit escape-aware quoted-string token ("(?:[^"\\]|\\.)*") for context, msgid and msgstr sections, with lazy inter-string whitespace so a message block cannot consume the separator required by the following entry.Tests
New round-trip test in
tests/framework/i18n/GettextPoFileTest.php: save/load of messages containing mid-string and trailing backslashes, quotes, newlines and combined cases; expectations in the existingtestLoadupdated where the fixture asserted the old incorrect decoding of\\n.