Implement a utility to validate BCP 47 language tags by jviotti · Pull Request #2537 · sourcemeta/core

jviotti · 2026-06-23T21:04:21Z

Signed-off-by: Juan Cruz Viotti jv@jviotti.com

augmentcode · 2026-06-23T21:08:04Z

🤖 Augment PR Summary

Summary: This PR introduces a new langtag Core component that validates BCP 47 / RFC 5646 language tags.

Changes:

Added a new build option SOURCEMETA_CORE_LANGTAG and wired it into the top-level build and test CMake configuration.
Registered langtag as a default exportable component in config.cmake.in for downstream consumers.
Added a new sourcemeta::core::is_langtag(std::string_view) API and implementation using a single-pass hyphen-subtag parser.
Implemented duplicate detection for variant subtags and extension singletons (case-insensitive), per RFC 5646 structural constraints.
Added explicit handling for RFC 5646 “irregular grandfathered” tags.
Added a focused GoogleTest suite covering RFC examples and key negative cases (trailing hyphens, duplicate variants/singletons, malformed extensions).
Updated website build/deploy workflows to disable the new component in those CI jobs.

Technical Notes: The validator checks structural well-formedness (grammar + duplication rules) but intentionally does not consult the IANA Language Subtag Registry for registration validity.

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Benchmark (linux/gcc)

Details

Benchmark suite	Current: `6eb9721`	Previous: `1c13a82`	Ratio
`JOSE_VerifySignature_RS256`	`22005.701591133944` ns/iter	`24553.049790449935` ns/iter	`0.90`
`JOSE_VerifySignature_ES512`	`575950.7837171297` ns/iter	`641221.535714324` ns/iter	`0.90`
`GZIP_Compress_ISO_Language_Set_3_Locations`	`36259858.10526201` ns/iter	`39328236.05555313` ns/iter	`0.92`
`GZIP_Decompress_ISO_Language_Set_3_Locations`	`4113991.2352939653` ns/iter	`4071111.1802324443` ns/iter	`1.01`
`GZIP_Compress_ISO_Language_Set_3_Schema`	`2012840.3275860876` ns/iter	`2282154.0457514296` ns/iter	`0.88`
`GZIP_Decompress_ISO_Language_Set_3_Schema`	`375761.0514745421` ns/iter	`277444.5753370502` ns/iter	`1.35`
`HTML_Build_Table_100000`	`60228779.363631636` ns/iter	`72356648.40000026` ns/iter	`0.83`
`HTML_Render_Table_100000`	`1983616.3467743362` ns/iter	`2135655.162079408` ns/iter	`0.93`
`JSONL_Parse_Large`	`12851091.68518543` ns/iter	`12200391.824561402` ns/iter	`1.05`
`JSONL_Parse_Large_GZIP`	`14212008.306121882` ns/iter	`13777766.235293979` ns/iter	`1.03`
`URITemplateRouter_Create`	`30878.78376234578` ns/iter	`29349.48800637171` ns/iter	`1.05`
`URITemplateRouter_Match`	`155.08612522342557` ns/iter	`152.02354863897986` ns/iter	`1.02`
`URITemplateRouter_Match_BasePath`	`182.00937242416583` ns/iter	`178.1789830513586` ns/iter	`1.02`
`URITemplateRouterView_Restore`	`7588.5378448032` ns/iter	`8832.889955858209` ns/iter	`0.86`
`URITemplateRouterView_Match`	`125.72323657667052` ns/iter	`126.72965137550015` ns/iter	`0.99`
`URITemplateRouterView_Match_BasePath`	`142.46532382840434` ns/iter	`142.4996768958508` ns/iter	`1.00`
`URITemplateRouterView_Arguments`	`468.58100330080066` ns/iter	`456.37298225396813` ns/iter	`1.03`
`Pointer_Object_Traverse`	`28.27993643339904` ns/iter	`29.887471624482902` ns/iter	`0.95`
`Pointer_Object_Try_Traverse`	`23.419847327477736` ns/iter	`24.97497233822011` ns/iter	`0.94`
`Pointer_Push_Back_Pointer_To_Weak_Pointer`	`162.05717531141525` ns/iter	`176.4777387105206` ns/iter	`0.92`
`Pointer_Walker_Schema_ISO_Language`	`1846894.6464381134` ns/iter	`1943993.5434782242` ns/iter	`0.95`
`Pointer_Maybe_Tracked_Deeply_Nested/0`	`1538893.4945054485` ns/iter	`1542146.6225164558` ns/iter	`1.00`
`Pointer_Maybe_Tracked_Deeply_Nested/1`	`1697001.559036068` ns/iter	`1661143.0284359774` ns/iter	`1.02`
`Pointer_Position_Tracker_Get_Deeply_Nested`	`554.7376471600644` ns/iter	`569.5565070402155` ns/iter	`0.97`
`JSON_Array_Of_Objects_Unique`	`395.46164861424637` ns/iter	`427.0937768222908` ns/iter	`0.93`
`JSON_Parse_1`	`7551.12426711594` ns/iter	`7555.744948623552` ns/iter	`1.00`
`JSON_Parse_Real`	`6668.682643461835` ns/iter	`6516.622200160448` ns/iter	`1.02`
`JSON_Parse_Decimal`	`11442.014704918434` ns/iter	`9567.392441940749` ns/iter	`1.20`
`JSON_Parse_Schema_ISO_Language`	`5072511.919707642` ns/iter	`5068763.311594532` ns/iter	`1.00`
`JSON_Parse_Integer`	`4884.585443280564` ns/iter	`4871.950525071457` ns/iter	`1.00`
`JSON_Parse_String_NonSSO_Plain`	`8646.822766836773` ns/iter	`8612.41801984838` ns/iter	`1.00`
`JSON_Parse_String_SSO_Plain`	`4018.480020447613` ns/iter	`3686.9855103724367` ns/iter	`1.09`
`JSON_Parse_String_Escape_Heavy`	`20944.856223045754` ns/iter	`19976.566737738653` ns/iter	`1.05`
`JSON_Parse_Object_Short_Keys`	`11080.17098060366` ns/iter	`11366.390440316356` ns/iter	`0.97`
`JSON_Parse_Object_Scalar_Properties`	`7000.525574373519` ns/iter	`5796.504076233987` ns/iter	`1.21`
`JSON_Parse_Object_Array_Properties`	`10440.119310773167` ns/iter	`8996.669280013652` ns/iter	`1.16`
`JSON_Parse_Object_Object_Properties`	`10601.808175575878` ns/iter	`9368.405476938515` ns/iter	`1.13`
`JSON_Parse_Nested_Containers`	`72393.16289873287` ns/iter	`72451.82528807386` ns/iter	`1.00`
`JSON_From_String_Copy`	`18.21856725664984` ns/iter	`20.02747013803188` ns/iter	`0.91`
`JSON_From_String_Temporary`	`15.35491893676634` ns/iter	`16.28625061713057` ns/iter	`0.94`
`JSON_Number_To_Double`	`20.724863793126538` ns/iter	`19.361916355096408` ns/iter	`1.07`
`JSON_Object_At_Last_Key/8`	`8.10302828443942` ns/iter	`9.142696829144256` ns/iter	`0.89`
`JSON_Object_At_Last_Key/32`	`31.500187791427102` ns/iter	`34.450213414331785` ns/iter	`0.91`
`JSON_Object_At_Last_Key/128`	`127.44845216581632` ns/iter	`135.88545751794726` ns/iter	`0.94`
`JSON_Object_At_Last_Key/512`	`517.2520528364802` ns/iter	`559.9597023025203` ns/iter	`0.92`
`JSON_Fast_Hash_Helm_Chart_Lock`	`61.51890505625016` ns/iter	`62.03596180748372` ns/iter	`0.99`
`JSON_Equality_Helm_Chart_Lock`	`157.0141314564112` ns/iter	`158.90119355491495` ns/iter	`0.99`
`JSON_Divisible_By_Decimal`	`241.11822759146247` ns/iter	`231.7080740844014` ns/iter	`1.04`
`JSON_String_Equal/10`	`6.310824451825393` ns/iter	`6.079944788738624` ns/iter	`1.04`
`JSON_String_Equal/100`	`6.9342618632426705` ns/iter	`6.773771798061843` ns/iter	`1.02`
`JSON_String_Equal_Small_By_Perfect_Hash/10`	`0.6236773551627769` ns/iter	`0.7117716270284438` ns/iter	`0.88`
`JSON_String_Equal_Small_By_Runtime_Perfect_Hash/10`	`25.201045968292625` ns/iter	`21.970564165187355` ns/iter	`1.15`
`JSON_String_Fast_Hash/10`	`1.2461797453467123` ns/iter	`1.407581547451502` ns/iter	`0.89`
`JSON_String_Fast_Hash/100`	`1.2555706955949348` ns/iter	`1.4076719724325228` ns/iter	`0.89`
`JSON_String_Key_Hash/10`	`1.246548115754851` ns/iter	`1.0867093256486426` ns/iter	`1.15`
`JSON_String_Key_Hash/100`	`12.444485725651212` ns/iter	`15.114382675952976` ns/iter	`0.82`
`JSON_Object_Defines_Miss_Same_Length`	`3.112389245342063` ns/iter	`3.516438731036995` ns/iter	`0.89`
`JSON_Object_Defines_Miss_Too_Small`	`3.1145875736087465` ns/iter	`3.5463324021956772` ns/iter	`0.88`
`JSON_Object_Defines_Miss_Too_Large`	`3.426358133707709` ns/iter	`3.871290778820188` ns/iter	`0.89`
`Regex_Lower_S_Or_Upper_S_Asterisk`	`0.6251833016004822` ns/iter	`0.7040053201553644` ns/iter	`0.89`
`Regex_Caret_Lower_S_Or_Upper_S_Asterisk_Dollar`	`0.9346213685190796` ns/iter	`1.0555402017544238` ns/iter	`0.89`
`Regex_Period_Asterisk`	`0.9348346053899835` ns/iter	`1.0567010406281612` ns/iter	`0.88`
`Regex_Group_Period_Asterisk_Group`	`0.6229304505649007` ns/iter	`0.7033637810849592` ns/iter	`0.89`
`Regex_Period_Plus`	`0.6237250059832177` ns/iter	`0.7036959735874917` ns/iter	`0.89`
`Regex_Period`	`0.9418535893529808` ns/iter	`1.0564350404647305` ns/iter	`0.89`
`Regex_Caret_Period_Plus_Dollar`	`0.938439715730778` ns/iter	`1.055311976427075` ns/iter	`0.89`
`Regex_Caret_Group_Period_Plus_Group_Dollar`	`0.6231880300481047` ns/iter	`0.7043655691544036` ns/iter	`0.88`
`Regex_Caret_Period_Asterisk_Dollar`	`0.6249349093666349` ns/iter	`0.7042446318125851` ns/iter	`0.89`
`Regex_Caret_Group_Period_Asterisk_Group_Dollar`	`0.9344198152097531` ns/iter	`1.0553748391102433` ns/iter	`0.89`
`Regex_Caret_X_Hyphen`	`4.054050171410412` ns/iter	`3.8692606574656185` ns/iter	`1.05`
`Regex_Period_Md_Dollar`	`30.589092148675615` ns/iter	`32.91519435407627` ns/iter	`0.93`
`Regex_Caret_Slash_Period_Asterisk`	`4.357823785108652` ns/iter	`4.221450881327155` ns/iter	`1.03`
`Regex_Caret_Period_Range_Dollar`	`1.2452335632758207` ns/iter	`1.4070990098559082` ns/iter	`0.88`
`Regex_Nested_Backtrack`	`38.448821317878675` ns/iter	`38.262861018565566` ns/iter	`1.00`

This comment was automatically generated by workflow using github-action-benchmark.

cubic-dev-ai

1 issue found across 9 files (changes from recent commits).

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Benchmark (macos/llvm)

Details

Benchmark suite	Current: `6eb9721`	Previous: `1c13a82`	Ratio
`Regex_Lower_S_Or_Upper_S_Asterisk`	`1.6123298609190881` ns/iter	`1.7190973892604249` ns/iter	`0.94`
`Regex_Caret_Lower_S_Or_Upper_S_Asterisk_Dollar`	`1.5744908274085365` ns/iter	`1.950414935079088` ns/iter	`0.81`
`Regex_Period_Asterisk`	`1.6628296529758715` ns/iter	`1.8566291533847112` ns/iter	`0.90`
`Regex_Group_Period_Asterisk_Group`	`1.6567842791960576` ns/iter	`1.7846154688362907` ns/iter	`0.93`
`Regex_Period_Plus`	`2.0119167903881205` ns/iter	`2.17660082068817` ns/iter	`0.92`
`Regex_Period`	`2.0734459751745127` ns/iter	`2.118779146291268` ns/iter	`0.98`
`Regex_Caret_Period_Plus_Dollar`	`2.0983172759001527` ns/iter	`2.088453932571365` ns/iter	`1.00`
`Regex_Caret_Group_Period_Plus_Group_Dollar`	`2.2787130996731437` ns/iter	`2.073816158038872` ns/iter	`1.10`
`Regex_Caret_Period_Asterisk_Dollar`	`2.0334458178155876` ns/iter	`1.8640339039110327` ns/iter	`1.09`
`Regex_Caret_Group_Period_Asterisk_Group_Dollar`	`1.9102275860350764` ns/iter	`1.736680943262737` ns/iter	`1.10`
`Regex_Caret_X_Hyphen`	`6.968544762495737` ns/iter	`6.1895960891423085` ns/iter	`1.13`
`Regex_Period_Md_Dollar`	`20.689507153043056` ns/iter	`18.60032533798119` ns/iter	`1.11`
`Regex_Caret_Slash_Period_Asterisk`	`4.6079957320798055` ns/iter	`5.263462499999605` ns/iter	`0.88`
`Regex_Caret_Period_Range_Dollar`	`2.3315890247898357` ns/iter	`2.0850125311261882` ns/iter	`1.12`
`Regex_Nested_Backtrack`	`37.8519995659339` ns/iter	`25.324314273655556` ns/iter	`1.49`
`JSON_Array_Of_Objects_Unique`	`531.1298464304615` ns/iter	`340.3549255815058` ns/iter	`1.56`
`JSON_Parse_1`	`4241.528373388437` ns/iter	`3752.550413265922` ns/iter	`1.13`
`JSON_Parse_Real`	`5603.985588340739` ns/iter	`5279.949423536338` ns/iter	`1.06`
`JSON_Parse_Decimal`	`5786.928927308285` ns/iter	`5615.02246334845` ns/iter	`1.03`
`JSON_Parse_Schema_ISO_Language`	`3825251.2462690906` ns/iter	`2794487.591489164` ns/iter	`1.37`
`JSON_Parse_Integer`	`2888.1717172980825` ns/iter	`2999.360606112497` ns/iter	`0.96`
`JSON_Parse_String_NonSSO_Plain`	`3505.9952818161228` ns/iter	`3511.4621323347733` ns/iter	`1.00`
`JSON_Parse_String_SSO_Plain`	`1742.9310172359342` ns/iter	`1769.8680846049883` ns/iter	`0.98`
`JSON_Parse_String_Escape_Heavy`	`16740.525399130045` ns/iter	`16350.440962845214` ns/iter	`1.02`
`JSON_Parse_Object_Short_Keys`	`6390.5090364334965` ns/iter	`5213.009546082925` ns/iter	`1.23`
`JSON_Parse_Object_Scalar_Properties`	`2784.3675920711557` ns/iter	`2738.162778313357` ns/iter	`1.02`
`JSON_Parse_Object_Array_Properties`	`4595.061588614191` ns/iter	`3425.485385997293` ns/iter	`1.34`
`JSON_Parse_Object_Object_Properties`	`4568.658045353312` ns/iter	`3491.833315024797` ns/iter	`1.31`
`JSON_Parse_Nested_Containers`	`28749.67752522316` ns/iter	`27567.97373395253` ns/iter	`1.04`
`JSON_From_String_Copy`	`24.80330639479057` ns/iter	`24.30329436784326` ns/iter	`1.02`
`JSON_From_String_Temporary`	`19.523951132336325` ns/iter	`19.44961255815664` ns/iter	`1.00`
`JSON_Number_To_Double`	`31.575591319091508` ns/iter	`33.109923764650134` ns/iter	`0.95`
`JSON_Object_At_Last_Key/8`	`3.514429199200057` ns/iter	`3.72123966384162` ns/iter	`0.94`
`JSON_Object_At_Last_Key/32`	`11.635260563336105` ns/iter	`11.809498471849754` ns/iter	`0.99`
`JSON_Object_At_Last_Key/128`	`54.909830943109164` ns/iter	`54.52314512420092` ns/iter	`1.01`
`JSON_Object_At_Last_Key/512`	`189.18154456050976` ns/iter	`199.77890299985958` ns/iter	`0.95`
`JSON_Fast_Hash_Helm_Chart_Lock`	`60.278048976896294` ns/iter	`58.46017920044582` ns/iter	`1.03`
`JSON_Equality_Helm_Chart_Lock`	`128.21319608286322` ns/iter	`133.14252777653246` ns/iter	`0.96`
`JSON_Divisible_By_Decimal`	`181.90093550974083` ns/iter	`174.11088851111143` ns/iter	`1.04`
`JSON_String_Equal/10`	`6.585169407636473` ns/iter	`6.73121856358899` ns/iter	`0.98`
`JSON_String_Equal/100`	`6.547370788994773` ns/iter	`6.438459574533191` ns/iter	`1.02`
`JSON_String_Equal_Small_By_Perfect_Hash/10`	`0.8023696914439105` ns/iter	`0.7545648316990872` ns/iter	`1.06`
`JSON_String_Equal_Small_By_Runtime_Perfect_Hash/10`	`3.2361119033106855` ns/iter	`3.30018432917659` ns/iter	`0.98`
`JSON_String_Fast_Hash/10`	`2.3318974892852222` ns/iter	`2.351078118144742` ns/iter	`0.99`
`JSON_String_Fast_Hash/100`	`1.979937979285358` ns/iter	`2.0375072807655736` ns/iter	`0.97`
`JSON_String_Key_Hash/10`	`1.3176408949864045` ns/iter	`1.3450451016400444` ns/iter	`0.98`
`JSON_String_Key_Hash/100`	`2.1923580537346523` ns/iter	`2.112827382171954` ns/iter	`1.04`
`JSON_Object_Defines_Miss_Same_Length`	`2.2417015504365287` ns/iter	`2.362848105896588` ns/iter	`0.95`
`JSON_Object_Defines_Miss_Too_Small`	`2.417799244603197` ns/iter	`2.3617947659709038` ns/iter	`1.02`
`JSON_Object_Defines_Miss_Too_Large`	`2.4277778633085383` ns/iter	`2.390633092975828` ns/iter	`1.02`
`Pointer_Object_Traverse`	`13.8798159953619` ns/iter	`13.783326724230474` ns/iter	`1.01`
`Pointer_Object_Try_Traverse`	`21.57147232658905` ns/iter	`22.54863345667032` ns/iter	`0.96`
`Pointer_Push_Back_Pointer_To_Weak_Pointer`	`154.0752861427362` ns/iter	`154.93619174620244` ns/iter	`0.99`
`Pointer_Walker_Schema_ISO_Language`	`2430214.9534247443` ns/iter	`2178717.7492258963` ns/iter	`1.12`
`Pointer_Maybe_Tracked_Deeply_Nested/0`	`872835.0706836272` ns/iter	`888326.755201968` ns/iter	`0.98`
`Pointer_Maybe_Tracked_Deeply_Nested/1`	`1369588.1801125428` ns/iter	`1156521.1038960381` ns/iter	`1.18`
`Pointer_Position_Tracker_Get_Deeply_Nested`	`343.16277389588936` ns/iter	`353.17060803173916` ns/iter	`0.97`
`URITemplateRouter_Create`	`23372.01147344874` ns/iter	`22875.508648682742` ns/iter	`1.02`
`URITemplateRouter_Match`	`171.54427655968522` ns/iter	`163.4772859626087` ns/iter	`1.05`
`URITemplateRouter_Match_BasePath`	`247.09165116681783` ns/iter	`191.63143808760842` ns/iter	`1.29`
`URITemplateRouterView_Restore`	`11571.09141825618` ns/iter	`9154.698088393192` ns/iter	`1.26`
`URITemplateRouterView_Match`	`143.080528938949` ns/iter	`129.19080848707344` ns/iter	`1.11`
`URITemplateRouterView_Match_BasePath`	`207.81535609547512` ns/iter	`145.8745713724386` ns/iter	`1.42`
`URITemplateRouterView_Arguments`	`463.1822245442235` ns/iter	`403.72069236998556` ns/iter	`1.15`
`JSONL_Parse_Large`	`13509716.509802543` ns/iter	`12130628.66666828` ns/iter	`1.11`
`JSONL_Parse_Large_GZIP`	`15358318.020408122` ns/iter	`13368091.188679174` ns/iter	`1.15`
`HTML_Build_Table_100000`	`72420108.30000255` ns/iter	`61703819.44444772` ns/iter	`1.17`
`HTML_Render_Table_100000`	`4672253.326086742` ns/iter	`2994990.8756216066` ns/iter	`1.56`
`GZIP_Compress_ISO_Language_Set_3_Locations`	`31653999.999998633` ns/iter	`28203546.500002664` ns/iter	`1.12`
`GZIP_Decompress_ISO_Language_Set_3_Locations`	`6011303.959015832` ns/iter	`5287731.229007734` ns/iter	`1.14`
`GZIP_Compress_ISO_Language_Set_3_Schema`	`1549583.3340708534` ns/iter	`1496212.833693324` ns/iter	`1.04`
`GZIP_Decompress_ISO_Language_Set_3_Schema`	`323794.36427456985` ns/iter	`278191.5176938417` ns/iter	`1.16`
`JOSE_VerifySignature_RS256`	`24642.56183054121` ns/iter	`21237.922850447972` ns/iter	`1.16`
`JOSE_VerifySignature_ES512`	`1204549.4828711983` ns/iter	`980449.5460893167` ns/iter	`1.23`

This comment was automatically generated by workflow using github-action-benchmark.

github-actions

Benchmark (linux/llvm)

Details

Benchmark suite	Current: `6eb9721`	Previous: `1c13a82`	Ratio
`Regex_Lower_S_Or_Upper_S_Asterisk`	`2.4838649601080567` ns/iter	`2.231494004953457` ns/iter	`1.11`
`Regex_Caret_Lower_S_Or_Upper_S_Asterisk_Dollar`	`2.4622995339159996` ns/iter	`2.180453232499876` ns/iter	`1.13`
`Regex_Period_Asterisk`	`2.4615814703517365` ns/iter	`2.181201809579396` ns/iter	`1.13`
`Regex_Group_Period_Asterisk_Group`	`2.463336347095806` ns/iter	`2.187733888758547` ns/iter	`1.13`
`Regex_Period_Plus`	`3.515210244555553` ns/iter	`2.4904499021098436` ns/iter	`1.41`
`Regex_Period`	`3.515545478122998` ns/iter	`2.490658706131269` ns/iter	`1.41`
`Regex_Caret_Period_Plus_Dollar`	`3.8682606328674636` ns/iter	`2.8025208859163904` ns/iter	`1.38`
`Regex_Caret_Group_Period_Plus_Group_Dollar`	`3.873467121747244` ns/iter	`2.803686084065931` ns/iter	`1.38`
`Regex_Caret_Period_Asterisk_Dollar`	`2.4612644870601463` ns/iter	`3.1170874513267446` ns/iter	`0.79`
`Regex_Caret_Group_Period_Asterisk_Group_Dollar`	`2.4632102644672953` ns/iter	`2.6776149679492125` ns/iter	`0.92`
`Regex_Caret_X_Hyphen`	`7.031108618641623` ns/iter	`5.948757032313674` ns/iter	`1.18`
`Regex_Period_Md_Dollar`	`26.652579121214842` ns/iter	`27.550532783741996` ns/iter	`0.97`
`Regex_Caret_Slash_Period_Asterisk`	`7.291627134021657` ns/iter	`5.917700284033628` ns/iter	`1.23`
`Regex_Caret_Period_Range_Dollar`	`2.4638668065757194` ns/iter	`3.7349078480238576` ns/iter	`0.66`
`Regex_Nested_Backtrack`	`37.15052492604508` ns/iter	`48.01945660000203` ns/iter	`0.77`
`JSON_Array_Of_Objects_Unique`	`442.4797218079824` ns/iter	`405.3314510165266` ns/iter	`1.09`
`JSON_Parse_1`	`4748.591847083893` ns/iter	`4871.959537612414` ns/iter	`0.97`
`JSON_Parse_Real`	`5291.210887517698` ns/iter	`5360.088533753304` ns/iter	`0.99`
`JSON_Parse_Decimal`	`7616.285103373127` ns/iter	`7687.15712957435` ns/iter	`0.99`
`JSON_Parse_Schema_ISO_Language`	`3614484.43076871` ns/iter	`3418285.6048784475` ns/iter	`1.06`
`JSON_Parse_Integer`	`4044.3842626586998` ns/iter	`3969.8959990500794` ns/iter	`1.02`
`JSON_Parse_String_NonSSO_Plain`	`5052.812056737615` ns/iter	`5213.621829999511` ns/iter	`0.97`
`JSON_Parse_String_SSO_Plain`	`2831.7903312517374` ns/iter	`2780.3379451745914` ns/iter	`1.02`
`JSON_Parse_String_Escape_Heavy`	`14191.11333522456` ns/iter	`14838.686309427707` ns/iter	`0.96`
`JSON_Parse_Object_Short_Keys`	`8104.662016832412` ns/iter	`10576.175948853575` ns/iter	`0.77`
`JSON_Parse_Object_Scalar_Properties`	`4102.226040811492` ns/iter	`4114.340505101238` ns/iter	`1.00`
`JSON_Parse_Object_Array_Properties`	`5578.588945880343` ns/iter	`5768.483800389299` ns/iter	`0.97`
`JSON_Parse_Object_Object_Properties`	`5623.316718087025` ns/iter	`5472.915230459742` ns/iter	`1.03`
`JSON_Parse_Nested_Containers`	`44989.30926772103` ns/iter	`44769.91040407365` ns/iter	`1.00`
`JSON_From_String_Copy`	`21.46037942706369` ns/iter	`20.458501899168766` ns/iter	`1.05`
`JSON_From_String_Temporary`	`17.952761312925723` ns/iter	`17.149762100349488` ns/iter	`1.05`
`JSON_Number_To_Double`	`22.501559055190967` ns/iter	`24.18478883843103` ns/iter	`0.93`
`JSON_Object_At_Last_Key/8`	`4.697918363862732` ns/iter	`3.4915487901421476` ns/iter	`1.35`
`JSON_Object_At_Last_Key/32`	`13.572622749517413` ns/iter	`11.929508253234951` ns/iter	`1.14`
`JSON_Object_At_Last_Key/128`	`47.30376184350085` ns/iter	`49.18311157815164` ns/iter	`0.96`
`JSON_Object_At_Last_Key/512`	`365.69272084918134` ns/iter	`383.5755285067264` ns/iter	`0.95`
`JSON_Fast_Hash_Helm_Chart_Lock`	`68.62032493305878` ns/iter	`56.70992194679584` ns/iter	`1.21`
`JSON_Equality_Helm_Chart_Lock`	`181.6456442166595` ns/iter	`170.68306106090915` ns/iter	`1.06`
`JSON_Divisible_By_Decimal`	`253.92509959666128` ns/iter	`254.62146892241975` ns/iter	`1.00`
`JSON_String_Equal/10`	`6.68201162433299` ns/iter	`7.80353909959372` ns/iter	`0.86`
`JSON_String_Equal/100`	`7.3943215829616245` ns/iter	`7.483467935541507` ns/iter	`0.99`
`JSON_String_Equal_Small_By_Perfect_Hash/10`	`1.0545725981412104` ns/iter	`0.9379300398811226` ns/iter	`1.12`
`JSON_String_Equal_Small_By_Runtime_Perfect_Hash/10`	`12.408379131741071` ns/iter	`14.939294799083717` ns/iter	`0.83`
`JSON_String_Fast_Hash/10`	`2.1126550855968653` ns/iter	`2.180507245197774` ns/iter	`0.97`
`JSON_String_Fast_Hash/100`	`2.1122782104339` ns/iter	`2.179359682367041` ns/iter	`0.97`
`JSON_String_Key_Hash/10`	`2.4666144894754702` ns/iter	`2.737215604622972` ns/iter	`0.90`
`JSON_String_Key_Hash/100`	`7.741706503875638` ns/iter	`9.026722173972017` ns/iter	`0.86`
`JSON_Object_Defines_Miss_Same_Length`	`2.893735631183144` ns/iter	`2.687329612167115` ns/iter	`1.08`
`JSON_Object_Defines_Miss_Too_Small`	`2.948096961117306` ns/iter	`2.5623406907204327` ns/iter	`1.15`
`JSON_Object_Defines_Miss_Too_Large`	`2.9600658168263925` ns/iter	`2.6006004339526165` ns/iter	`1.14`
`Pointer_Object_Traverse`	`25.525082106257294` ns/iter	`24.108204040611174` ns/iter	`1.06`
`Pointer_Object_Try_Traverse`	`30.582704589829873` ns/iter	`29.87023760505317` ns/iter	`1.02`
`Pointer_Push_Back_Pointer_To_Weak_Pointer`	`183.5624412361908` ns/iter	`211.9495659465546` ns/iter	`0.87`
`Pointer_Walker_Schema_ISO_Language`	`1773517.7277355888` ns/iter	`1732435.0074442725` ns/iter	`1.02`
`Pointer_Maybe_Tracked_Deeply_Nested/0`	`1282991.161410125` ns/iter	`1230923.281138742` ns/iter	`1.04`
`Pointer_Maybe_Tracked_Deeply_Nested/1`	`1875278.4611651185` ns/iter	`1765767.428211518` ns/iter	`1.06`
`Pointer_Position_Tracker_Get_Deeply_Nested`	`748.2734602047092` ns/iter	`690.8870226732787` ns/iter	`1.08`
`URITemplateRouter_Create`	`30838.14282585129` ns/iter	`31530.11415195952` ns/iter	`0.98`
`URITemplateRouter_Match`	`178.39483693121105` ns/iter	`179.40352531453104` ns/iter	`0.99`
`URITemplateRouter_Match_BasePath`	`214.09165395113922` ns/iter	`206.2754736859537` ns/iter	`1.04`
`URITemplateRouterView_Restore`	`8680.549343974364` ns/iter	`7623.736392651544` ns/iter	`1.14`
`URITemplateRouterView_Match`	`172.1247762168904` ns/iter	`165.262201090393` ns/iter	`1.04`
`URITemplateRouterView_Match_BasePath`	`191.57770167642587` ns/iter	`188.4065040606352` ns/iter	`1.02`
`URITemplateRouterView_Arguments`	`450.35575774660094` ns/iter	`441.33487157854586` ns/iter	`1.02`
`JSONL_Parse_Large`	`9387132.486841964` ns/iter	`9994477.48571356` ns/iter	`0.94`
`JSONL_Parse_Large_GZIP`	`11125650.06349267` ns/iter	`11538758.606557392` ns/iter	`0.96`
`HTML_Build_Table_100000`	`72114099.800001` ns/iter	`78691660.00000405` ns/iter	`0.92`
`HTML_Render_Table_100000`	`5045002.835713928` ns/iter	`5307224.174602637` ns/iter	`0.95`
`GZIP_Compress_ISO_Language_Set_3_Locations`	`35444737.89999642` ns/iter	`33336950.85714117` ns/iter	`1.06`
`GZIP_Decompress_ISO_Language_Set_3_Locations`	`4370423.097561215` ns/iter	`4036845.884393109` ns/iter	`1.08`
`GZIP_Compress_ISO_Language_Set_3_Schema`	`2127586.334346457` ns/iter	`1884951.1185984213` ns/iter	`1.13`
`GZIP_Decompress_ISO_Language_Set_3_Schema`	`276439.95571370976` ns/iter	`354719.0166920068` ns/iter	`0.78`
`JOSE_VerifySignature_RS256`	`63988.013062943406` ns/iter	`57937.783051688835` ns/iter	`1.10`
`JOSE_VerifySignature_ES512`	`2663714.276515134` ns/iter	`2404078.6632305183` ns/iter	`1.11`

This comment was automatically generated by workflow using github-action-benchmark.

github-actions

Benchmark (windows/msvc)

Details

Benchmark suite	Current: `6eb9721`	Previous: `1c13a82`	Ratio
`Regex_Lower_S_Or_Upper_S_Asterisk`	`3.8640835645276104` ns/iter	`3.8677500000007723` ns/iter	`1.00`
`Regex_Caret_Lower_S_Or_Upper_S_Asterisk_Dollar`	`3.8382907366063534` ns/iter	`3.8820680803564045` ns/iter	`0.99`
`Regex_Period_Asterisk`	`3.8443136160713567` ns/iter	`3.8876707589289135` ns/iter	`0.99`
`Regex_Group_Period_Asterisk_Group`	`3.925631778704546` ns/iter	`3.8875959821422463` ns/iter	`1.01`
`Regex_Period_Plus`	`3.5687980747814416` ns/iter	`3.5880775167154297` ns/iter	`0.99`
`Regex_Period`	`3.5663959311307587` ns/iter	`3.6196337220230883` ns/iter	`0.99`
`Regex_Caret_Period_Plus_Dollar`	`3.567160529343926` ns/iter	`3.6168968247060174` ns/iter	`0.99`
`Regex_Caret_Group_Period_Plus_Group_Dollar`	`3.5680983203176235` ns/iter	`3.570401109695642` ns/iter	`1.00`
`Regex_Caret_Period_Asterisk_Dollar`	`3.855071778829392` ns/iter	`3.865678385954119` ns/iter	`1.00`
`Regex_Caret_Group_Period_Asterisk_Group_Dollar`	`3.8398071360004082` ns/iter	`3.8448577008929976` ns/iter	`1.00`
`Regex_Caret_X_Hyphen`	`6.042211607144005` ns/iter	`6.132533928572619` ns/iter	`0.99`
`Regex_Period_Md_Dollar`	`52.54924000000756` ns/iter	`50.55523000000903` ns/iter	`1.04`
`Regex_Caret_Slash_Period_Asterisk`	`5.757459821428565` ns/iter	`6.3445035714287155` ns/iter	`0.91`
`Regex_Caret_Period_Range_Dollar`	`4.114258370535901` ns/iter	`4.381766527637059` ns/iter	`0.94`
`Regex_Nested_Backtrack`	`51.920449999988705` ns/iter	`53.23762500000028` ns/iter	`0.98`
`JSON_Array_Of_Objects_Unique`	`413.60583421401344` ns/iter	`434.3450624999434` ns/iter	`0.95`
`JSON_Parse_1`	`7144.561383929065` ns/iter	`7186.016741072316` ns/iter	`0.99`
`JSON_Parse_Real`	`12896.480357142082` ns/iter	`12766.31071428775` ns/iter	`1.01`
`JSON_Parse_Decimal`	`8678.176339285772` ns/iter	`8771.651785714088` ns/iter	`0.99`
`JSON_Parse_Schema_ISO_Language`	`6241922.321428156` ns/iter	`6216713.392857644` ns/iter	`1.00`
`JSON_Parse_Integer`	`4576.311956654379` ns/iter	`4618.609814671844` ns/iter	`0.99`
`JSON_Parse_String_NonSSO_Plain`	`6037.218750001168` ns/iter	`5944.339285714965` ns/iter	`1.02`
`JSON_Parse_String_SSO_Plain`	`2719.243802389419` ns/iter	`2745.6856740622675` ns/iter	`0.99`
`JSON_Parse_String_Escape_Heavy`	`16736.00892857` ns/iter	`16341.176339287651` ns/iter	`1.02`
`JSON_Parse_Object_Short_Keys`	`10066.698809381462` ns/iter	`10354.147079698107` ns/iter	`0.97`
`JSON_Parse_Object_Scalar_Properties`	`5157.111000000896` ns/iter	`5184.639000001425` ns/iter	`0.99`
`JSON_Parse_Object_Array_Properties`	`8844.553818956194` ns/iter	`8992.546908272754` ns/iter	`0.98`
`JSON_Parse_Object_Object_Properties`	`9009.325404796986` ns/iter	`9111.424056143054` ns/iter	`0.99`
`JSON_Parse_Nested_Containers`	`64198.00892857097` ns/iter	`63987.40178572179` ns/iter	`1.00`
`JSON_From_String_Copy`	`48.260142310755` ns/iter	`49.908510000000206` ns/iter	`0.97`
`JSON_From_String_Temporary`	`65.36356249999439` ns/iter	`66.78364285714825` ns/iter	`0.98`
`JSON_Number_To_Double`	`102.26296875000429` ns/iter	`106.96926754604048` ns/iter	`0.96`
`JSON_Object_At_Last_Key/8`	`5.757849107143086` ns/iter	`5.7751680000001215` ns/iter	`1.00`
`JSON_Object_At_Last_Key/32`	`19.141832142858156` ns/iter	`20.55247250493301` ns/iter	`0.93`
`JSON_Object_At_Last_Key/128`	`72.14619642858061` ns/iter	`74.39973214284278` ns/iter	`0.97`
`JSON_Object_At_Last_Key/512`	`331.4828017942794` ns/iter	`336.5050369539377` ns/iter	`0.99`
`JSON_Fast_Hash_Helm_Chart_Lock`	`54.85719999999219` ns/iter	`52.48457142857076` ns/iter	`1.05`
`JSON_Equality_Helm_Chart_Lock`	`221.6221562500209` ns/iter	`250.17178011480354` ns/iter	`0.89`
`JSON_Divisible_By_Decimal`	`287.4078755621545` ns/iter	`286.2694903716868` ns/iter	`1.00`
`JSON_String_Equal/10`	`10.986026785713777` ns/iter	`11.052573437499547` ns/iter	`0.99`
`JSON_String_Equal/100`	`13.509487500000107` ns/iter	`13.821649491871408` ns/iter	`0.98`
`JSON_String_Equal_Small_By_Perfect_Hash/10`	`1.648005514496478` ns/iter	`1.6808642857140754` ns/iter	`0.98`
`JSON_String_Equal_Small_By_Runtime_Perfect_Hash/10`	`11.196141071427032` ns/iter	`11.403670312500225` ns/iter	`0.98`
`JSON_String_Fast_Hash/10`	`3.5658835435364087` ns/iter	`3.6305761773634058` ns/iter	`0.98`
`JSON_String_Fast_Hash/100`	`3.568267226567108` ns/iter	`3.658209547855923` ns/iter	`0.98`
`JSON_String_Key_Hash/10`	`3.8450000000000983` ns/iter	`3.8532639508925826` ns/iter	`1.00`
`JSON_String_Key_Hash/100`	`8.483216517858645` ns/iter	`8.500256212051664` ns/iter	`1.00`
`JSON_Object_Defines_Miss_Same_Length`	`3.0791653173112055` ns/iter	`3.1963157862440803` ns/iter	`0.96`
`JSON_Object_Defines_Miss_Too_Small`	`3.8601735491080746` ns/iter	`3.9237539044989584` ns/iter	`0.98`
`JSON_Object_Defines_Miss_Too_Large`	`3.301670630159102` ns/iter	`3.3498239114836825` ns/iter	`0.99`
`Pointer_Object_Traverse`	`52.44153999999526` ns/iter	`56.918267857132115` ns/iter	`0.92`
`Pointer_Object_Try_Traverse`	`53.89405000000807` ns/iter	`54.45614285713012` ns/iter	`0.99`
`Pointer_Push_Back_Pointer_To_Weak_Pointer`	`128.31087499997855` ns/iter	`123.91868750000867` ns/iter	`1.04`
`Pointer_Walker_Schema_ISO_Language`	`6703343.750000305` ns/iter	`6366959.821428558` ns/iter	`1.05`
`Pointer_Maybe_Tracked_Deeply_Nested/0`	`1847399.7319039758` ns/iter	`1852413.9410188196` ns/iter	`1.00`
`Pointer_Maybe_Tracked_Deeply_Nested/1`	`2866333.050847215` ns/iter	`2885823.6607141355` ns/iter	`0.99`
`Pointer_Position_Tracker_Get_Deeply_Nested`	`440.87686162245717` ns/iter	`435.74183588599215` ns/iter	`1.01`
`URITemplateRouter_Create`	`31574.6874999994` ns/iter	`31856.642857143976` ns/iter	`0.99`
`URITemplateRouter_Match`	`170.75124357710453` ns/iter	`171.76005997857365` ns/iter	`0.99`
`URITemplateRouter_Match_BasePath`	`193.83529409246876` ns/iter	`192.75499585914665` ns/iter	`1.01`
`URITemplateRouterView_Restore`	`18347.00131250825` ns/iter	`20256.172015555676` ns/iter	`0.91`
`URITemplateRouterView_Match`	`135.50455645068138` ns/iter	`134.06585714286783` ns/iter	`1.01`
`URITemplateRouterView_Match_BasePath`	`152.96801339285287` ns/iter	`154.33587053575846` ns/iter	`0.99`
`URITemplateRouterView_Arguments`	`453.0205951729281` ns/iter	`455.8845214027092` ns/iter	`0.99`
`JSONL_Parse_Large`	`25592407.14285644` ns/iter	`25241880.769228302` ns/iter	`1.01`
`JSONL_Parse_Large_GZIP`	`26054061.53845881` ns/iter	`25793780.769233234` ns/iter	`1.01`
`HTML_Build_Table_100000`	`73381177.77779491` ns/iter	`73410722.22223172` ns/iter	`1.00`
`HTML_Render_Table_100000`	`6984189.2857149495` ns/iter	`6883131.249998493` ns/iter	`1.01`
`GZIP_Compress_ISO_Language_Set_3_Locations`	`28222575.999998298` ns/iter	`28054679.99999564` ns/iter	`1.01`
`GZIP_Decompress_ISO_Language_Set_3_Locations`	`7516888.888888692` ns/iter	`7340091.111109359` ns/iter	`1.02`
`GZIP_Compress_ISO_Language_Set_3_Schema`	`1718848.402948688` ns/iter	`1739503.6855034688` ns/iter	`0.99`
`GZIP_Decompress_ISO_Language_Set_3_Schema`	`450313.91585761384` ns/iter	`412594.3750000261` ns/iter	`1.09`
`JOSE_VerifySignature_RS256`	`18368.205073261048` ns/iter	`18540.775346757262` ns/iter	`0.99`
`JOSE_VerifySignature_ES512`	`1185079.8437500033` ns/iter	`1182428.749999888` ns/iter	`1.00`

This comment was automatically generated by workflow using github-action-benchmark.

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

augmentcode Bot reviewed Jun 23, 2026

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Comment thread test/text/text_is_alphanum_test.cc

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jviotti force-pushed the langtag branch from 87f6ce0 to 815351f Compare June 23, 2026 21:31

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jviotti force-pushed the langtag branch 2 times, most recently from bc090cf to 91db2c4 Compare June 24, 2026 00:59

WIP

d8b1eeb

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

jviotti force-pushed the langtag branch from 91db2c4 to d8b1eeb Compare June 24, 2026 01:24

jviotti changed the title ~~Implement a utility to check BCP 47 language tags~~ Implement a utility to validate BCP 47 language tags Jun 24, 2026

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6eb9721

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

jviotti merged commit d85ae00 into main Jun 24, 2026
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jviotti deleted the langtag branch June 24, 2026 01:50

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Implement a utility to validate BCP 47 language tags#2537

Implement a utility to validate BCP 47 language tags#2537
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jviotti commented Jun 23, 2026 •

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