T4使ってみた

2015/02/24(火) Unity部主催、日本Microsoft様で開催されたVisual Studio Tools for Unityの勉強会で行ったLTの資料です。

※もともとはSlideShareで公開していた資料です

1. T4࢖ͬͯΈͨ ࣨ੕྄ଠ 2015/02/24(Ր)ʲฉ͍ͯΈΑ͏ʂʳVisual/Studio/Tools/for/Unityษڧձʲ࢖Θͳ͍ͱ΋͍ͬͨͳ͍ʂʁʳ
2. DRY
3. Don't&repeat&yourself
4. ϦϐʔτΞϑλʔϛʔ
5. Don't&repeat&yourself
6. ҙຯ͸֤ࣗάά͍ͬͯͩ͘͞
7. ࿩͸มΘͬͯɽɽɽ
8. Parseͬͯ஌ͬͯ·͢ʁ
9. Parse • MBaaS(Mobile,Backend,as,a,Service) • σʔλετΞͱ͔Ϣʔβʔ؅ཧͱ͔Ͱ͖Δ • UnityͷSDK͕͋ͬͯ؆୯ʹࢼͤΔ ࡉ͔͍ͱ͜Ζ͸֤ࣗάά͍ͬͯͩ͘͞
10. ࣍ͷΑ͏ͳΫϥεͷ৘ใΛParseͰอଘ͠·͢ public class Person { public string FirstName { get; set; } public string LastName { get; set; } public int Age { get; set; } public int Sex { get; set; } }
11. ී௨ʹσʔλΛอଘ͢Δͱ͖ ParseObject gameScore = new ParseObject("Person") { {"firstName", "Ryota"}, {"lastName", "Murohoshi"}, {"age", 26}, {"sex", 0}, // உੑ }; Task saveTask = gameScore.SaveAsync(); // อଘ // ࡉ͔͍ͱ͜Ζ͸֤ࣗ(ུ)
12. ΊΜͲ͘ͳ͍Ͱ͔͢ʁ Ωʔؒҧ͑ͦ͏͡Όͳ͍Ͱ͔͢ʁ
13. ParseObjectΛܧঝͯ͠ɺ อଘ͍ͨ͠σʔλͷΫϥεΛͭ͘Δ͜ͱͰ ΊΜͲ͘͞͞ΛݮΒ͠ɺ͏͔ͬΓؒҧ͍Λͳ͘͢
14. ͜Μͳײ͡ͷαϒΫϥεΛ࡞ͬͯ࢖͏ [ParseClassName("Person")] public class Person : ParseObject { [ParseFieldName("firstName")] public string FirstName { get { return GetProperty<string>("FirstName"); } set { SetProperty<string>(value, "FirstName"); } } /*ɹུɺଞ3ݸͷϓϩύςΟ */ } // ࡉ͔͍ͱ͜Ζ͸(ུ)
15. ͜ΕͰParseͰอଘ͢Δ࣌ɺ ͏͔ͬΓΩʔͷจࣈྻΛؒҧ͑Δ͜ͱ΋ͳ͍ʂ ͕ͩɺ͔͠͠ɽɽɽ
16. ௕͍ʂ
17. ParseObjectͷαϒΫϥεΛ࡞Δ • جຊతʹಉ͡Α͏ͳ΋ͷͷ܁Γฦ͠ • αϒΫϥε࡞Δ࣌ʹ͏͔ͬΓจࣈΛؒҧ͑ͯ͠·͍ͦ͏ • ͳʹΑΓ௕͍ɺͦͯͩ͠Δ͍ • ͜ΜͳΫϥεΛ͍ͭ͘΋࡞Δͷ͸ඇৗʹͩΔ͍
18. Don't&repeat&yourself
19. نଇੑʹैͬͯ܁Γฦ͠࡞ۀΛ্खʹ΍Δ΍ͭΛ ๻ͨͪ͸஌͍ͬͯ·͢Ͷ
20. ͜͏͍͏ͷ͸ϓϩάϥϜʹ΍ͬͯ΋Β͍·͠ΐ
21. ͜͜ͰT4Ͱ͢Α ΍ͬͱຊ୊΍Ͱʂ(͜͜·Ͱ༧ఆͩͱ5෼)
22. λΠτϧ T4࢖ͬͯΈͨ
23. ࣗݾ঺հ • ໊લ:ࣨ੕྄ଠ • ॴଐ:Fuller,)Inc. • ࢓ࣄ:UnityΛ༻͍ͨήʔϜ։ൃ • ౤ߘઌ:h3p:/ /qiita.com/RyotaMurohoshi • Twi3er:@RyotaMurohoshi • ίϛϡχςΟ:AndroidͷձUnity෦
24. T4ͱ͸ Visual'Studio'ͷ'T4'ςΩετ'ςϯϓϨʔτ͸ɺςΩετ'ϑΝΠϧ Λੜ੒Ͱ͖ΔɺςΩετ'ϒϩοΫͱ੍ޚϩδοΫ͕ࠞࡏ͢ΔϑΝ ΠϧͰ͢ɻ ίʔυੜ੒ͱT4ςΩετςϯϓϨʔτ#h%ps:/ /msdn.microso2.com/ja5jp/library/bb126445.aspx#ΑΓ
25. ͬ͘͟ΓͱT4 • ςΩετςϯϓϨʔτ • ίʔυੜ੒ʹ௒ศར • C#ͳͲͰॻ੍͍ͨޚϩδοΫͱग़ྗ͍ͨ͠ςΩετΛ·ͱΊΔ • Visual*Studio͔ΒΊͬͪΌ࢖͍΍͍͢ • ࢖͍΍͘͢ಋೖָ • XamarinͰ΋࢖͑ͨ
26. T4Λ৽ن࡞੒͢Δͱ͜Μͳײ͡ <#@ template language="C#" #> <#@ assembly name="System.Core" #> <#@ import namespace="System.Linq" #> <#@ import namespace="System.Text" #> <#@ import namespace="System.Collections.Generic" #>
27. ෇͚Ճ͑Δͱɺ <#@ template language="C#" #> <#@ assembly name="System.Core" #> <#@ import namespace="System.Linq" #> <#@ import namespace="System.Text" #> <#@ import namespace="System.Collections.Generic" #> public class HelloT4 { }
28. ͜Μͳײ͡ͷΫϥε͕ੜ੒͞ΕΔ public class HelloT4 { }
29. ͜Μͳײ͡Ͱॻ͘ͱɺ <#@ template language="C#" #> <#@ assembly name="System.Core" #> <#@ import namespace="System.Linq" #> <#@ import namespace="System.Text" #> <#@ import namespace="System.Collections.Generic" #> public class HelloT4 { <# foreach(int num in Enumerable.Range(0, 3)) { #> ͜͜ʹϑΟʔϧυΛఆ͍ٛͨ͠ʂ <# } #> }
30. ܁Γฦ͕͠Ͱ͖Δʂ public class HelloT4 { ͜͜ʹϑΟʔϧυΛఆ͍ٛͨ͠ʂ ͜͜ʹϑΟʔϧυΛఆ͍ٛͨ͠ʂ ͜͜ʹϑΟʔϧυΛఆ͍ٛͨ͠ʂ }
31. ͪΐͬͱվ଄ͯ͠ʂ <#@ template language="C#" #> <#@ assembly name="System.Core" #> <#@ import namespace="System.Linq" #> <#@ import namespace="System.Text" #> <#@ import namespace="System.Collections.Generic" #> public class HelloT4 { <# foreach(int num in Enumerable.Range(0, 3)) { #> public const int Num<#= num #> = <#= num #>; <# } #> }
32. ܁Γฦ͠Λ༻͍ͨίʔυੜ੒ public class HelloT4 { public const int Num0 = 0; public const int Num1 = 1; public const int Num2 = 2; }
33. ͜Μͳײ͡Ͱɺجຊతͳ࢖͍ํ͸֮͑΍͍͢ʂ ΋ͬͱͪΌΜͱษڧ͢Ε͹͍͢͜͝ͱ΋Ͱ͖ͦ͏ ܁Γฦ͚ͩ͠͡Όͳͯ͘ɺ৚݅෼ذ΋Ͱ͖Δʂ LINQ΋࢖͑Δ͠ɺϑΝΠϧಡΈࠐΈͱ͔ͩͬͯͰ͖Δʂ
34. ΍Γ͍ͨ͜ͱͷ͓͞Β͍ Ұఆύλʔϯͷ܁Γฦ͠ʹͳ͍ͬͯΔ Parse༻ͷΫϥεΛT4Λ࢖ͬͯੜ੒͢Δ
35. ͜ΕΛT4Ͱͭ͘ΔͰʂ [ParseClassName("Person")] public class Person : ParseObject { [ParseFieldName("firstName")] public string FirstName { get { return GetProperty<string>("FirstName"); } set { SetProperty<string>(value, "FirstName"); } } /*ɹུɺଞ3ݸͷϓϩύςΟ */ }
36. ͜Μͳײ͡ͷςϯϓϨʔτΛ༻ҙͯ͠ʂ namespace ParseObjects { using Parse; <# foreach (var definedClass in definedClasses) { #> [ParseClassName("<#= definedClass.ClassName #>")] public class <#= definedClass.ClassName #> : ParseObject { <# foreach (var property in definedClass.Propeties) { string typeName = property.Type.ToString (); string fieldName = ToLowerCamel (property.Name); #> [ParseFieldName("<#= fieldName#>")] public <#= typeName #> <#= property.Name #> { get { return GetProperty<<#= typeName #> > ("<#= property.Name #>"); } set { SetProperty<<#= typeName #> > (value, "<#= property.Name #>"); } } <# } #> } <# } #> }
37. ͜Μͳײ͡ͷݩσʔλΛఆٛͯ͠ʂ(ෳ਺ΫϥεରԠʂ) var definedClasses = new [] { new { ClassName = "Person", Propeties = new [] { new { Type = typeof(string), Name = "FirstName" }, new { Type = typeof(string), Name = "LastName" }, new { Type = typeof(int), Name = "Age" }, new { Type = typeof(int), Name = "Sex" }, } }, new { ClassName = "PlayLog", Propeties = new [] { new { Type = typeof(int), Name = "StageId" }, new { Type = typeof(int), Name = "Score" }, new { Type = typeof(DateTime), Name = "PlayedAt" }, } }, };
38. Ͱ͖ͨʂ [ParseClassName("Person")] public class Person : ParseObject { [ParseFieldName("firstName")] public string FirstName { get { return GetProperty<string>("FirstName"); } set { SetProperty<string>(value, "FirstName"); } } /*ɹུɺଞ3ݸͷϓϩύςΟ */ }
39. ࠓճҰ൪ͼͬ͘Γͨ͜͠ͱʂ
40. ಋೖָʂ
41. ࠓճҰ൪ݴ͍͍ͨࣄʂ
42. ͱʹ͔͘T4৮ͬͯʂ
43. ͋Γ͕ͱ͏͍͟͝·ͨ͠