feat: integrate buf/validate (protovalidate) for field-level validation

.github/workflows/release.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.21.x"
+          go-version: "1.24.x"
 
       - name: Download dependencies
         run: |

.github/workflows/testing.yml

@@ -16,7 +16,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.21.x, 1.24.x]
+        go-version: [1.24.x]
         os: [ubuntu-latest, windows-latest]
         targetplatform: [x86, x64]
 

go.mod

@@ -1,39 +1,48 @@
 module github.com/tableauio/tableau
 
-go 1.21
+go 1.24.0
 
 require (
+	buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.11-20260209202127-80ab13bee0bf.1
+	buf.build/go/protovalidate v1.1.0
 	github.com/bufbuild/protocompile v0.10.0
 	github.com/emirpasic/gods v1.18.1
 	github.com/protocolbuffers/txtpbfmt v0.0.0-20240820135758-21b1d9897dc7
 	github.com/rogpeppe/go-internal v1.10.0
 	github.com/spf13/cobra v1.9.1
-	github.com/stretchr/testify v1.10.0
+	github.com/stretchr/testify v1.11.1
 	github.com/subchen/go-xmldom v1.1.2
 	github.com/valyala/fastjson v1.6.7
 	github.com/xuri/excelize/v2 v2.9.0
 	go.uber.org/zap v1.24.0
-	golang.org/x/sync v0.8.0
-	golang.org/x/text v0.19.0
-	google.golang.org/protobuf v1.34.2
+	golang.org/x/sync v0.16.0
+	golang.org/x/text v0.28.0
+	google.golang.org/protobuf v1.36.11
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
+	cel.dev/expr v0.24.0 // indirect
 	github.com/antchfx/xpath v0.0.0-20170515025933-1f3266e77307 // indirect
+	github.com/antlr4-go/antlr/v4 v4.13.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/google/cel-go v0.26.1 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/richardlehane/mscfb v1.0.4 // indirect
 	github.com/richardlehane/msoleps v1.0.4 // indirect
 	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/stoewer/go-strcase v1.3.1 // indirect
 	github.com/xuri/efp v0.0.0-20240408161823-9ad904a10d6d // indirect
 	github.com/xuri/nfp v0.0.0-20240318013403-ab9948c2c4a7 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
-	golang.org/x/crypto v0.28.0 // indirect
-	golang.org/x/net v0.30.0 // indirect
+	golang.org/x/crypto v0.36.0 // indirect
+	golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 // indirect
+	golang.org/x/net v0.37.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250811230008-5f3141c8851a // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250811230008-5f3141c8851a // indirect
 )

go.sum

@@ -1,7 +1,17 @@
+buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.11-20260209202127-80ab13bee0bf.1 h1:PMmTMyvHScV9Mn8wc6ASge9uRcHy0jtqPd+fM35LmsQ=
+buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.36.11-20260209202127-80ab13bee0bf.1/go.mod h1:tvtbpgaVXZX4g6Pn+AnzFycuRK3MOz5HJfEGeEllXYM=
+buf.build/go/protovalidate v1.1.0 h1:pQqEQRpOo4SqS60qkvmhLTTQU9JwzEvdyiqAtXa5SeY=
+buf.build/go/protovalidate v1.1.0/go.mod h1:bGZcPiAQDC3ErCHK3t74jSoJDFOs2JH3d7LWuTEIdss=
+cel.dev/expr v0.24.0 h1:56OvJKSH3hDGL0ml5uSxZmz3/3Pq4tJ+fb1unVLAFcY=
+cel.dev/expr v0.24.0/go.mod h1:hLPLo1W4QUmuYdA72RBX06QTs6MXw941piREPl3Yfiw=
 github.com/antchfx/xpath v0.0.0-20170515025933-1f3266e77307 h1:C735MoY/X+UOx6SECmHk5pVOj51h839Ph13pEoY8UmU=
 github.com/antchfx/xpath v0.0.0-20170515025933-1f3266e77307/go.mod h1:Yee4kTMuNiPYJ7nSNorELQMr1J33uOpXDMByNYhvtNk=
+github.com/antlr4-go/antlr/v4 v4.13.1 h1:SqQKkuVZ+zWkMMNkjy5FZe5mr5WURWnlpmOuzYWrPrQ=
+github.com/antlr4-go/antlr/v4 v4.13.1/go.mod h1:GKmUxMtwp6ZgGwZSva4eWPC5mS6vUAmOABFgjdkM7Nw=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
+github.com/brianvoe/gofakeit/v6 v6.28.0 h1:Xib46XXuQfmlLS2EXRuJpqcw8St6qSZz75OUo0tgAW4=
+github.com/brianvoe/gofakeit/v6 v6.28.0/go.mod h1:Xj58BMSnFqcn/fAQeSK+/PLtC5kSb7FJIq4JyGa8vEs=
 github.com/bufbuild/protocompile v0.10.0 h1:+jW/wnLMLxaCEG8AX9lD0bQ5v9h1RUiMKOBOT5ll9dM=
 github.com/bufbuild/protocompile v0.10.0/go.mod h1:G9qQIQo0xZ6Uyj6CMNz0saGmx2so+KONo8/KrELABiY=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
@@ -10,10 +20,16 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc=
 github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/cel-go v0.26.1 h1:iPbVVEdkhTX++hpe3lzSk7D3G3QSYqLGoHOcEio+UXQ=
+github.com/google/cel-go v0.26.1/go.mod h1:A9O8OU9rdvrK5MQyrqfIxo1a0u4g3sF8KB6PUIaryMM=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/mitchellh/go-wordwrap v1.0.1 h1:TLuKupo69TCn6TQSyGxwI1EblZZEsQ0vMlAFQflz0v0=
@@ -31,17 +47,26 @@ github.com/richardlehane/mscfb v1.0.4/go.mod h1:YzVpcZg9czvAuhk9T+a3avCpcFPMUWm7
 github.com/richardlehane/msoleps v1.0.1/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
 github.com/richardlehane/msoleps v1.0.4 h1:WuESlvhX3gH2IHcd8UqyCuFY5yiq/GR/yqaSM/9/g00=
 github.com/richardlehane/msoleps v1.0.4/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
+github.com/rodaine/protogofakeit v0.1.1 h1:ZKouljuRM3A+TArppfBqnH8tGZHOwM/pjvtXe9DaXH8=
+github.com/rodaine/protogofakeit v0.1.1/go.mod h1:pXn/AstBYMaSfc1/RqH3N82pBuxtWgejz1AlYpY1mI0=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/spf13/cobra v1.9.1 h1:CXSaggrXdbHK9CF+8ywj8Amf7PBRmPCOJugH954Nnlo=
 github.com/spf13/cobra v1.9.1/go.mod h1:nDyEzZ8ogv936Cinf6g1RU9MRY64Ir93oCnqb9wxYW0=
 github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
 github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/stoewer/go-strcase v1.3.1 h1:iS0MdW+kVTxgMoE1LAZyMiYJFKlOzLooE4MxjirtkAs=
+github.com/stoewer/go-strcase v1.3.1/go.mod h1:fAH5hQ5pehh+j3nZfvwdk2RgEgQjAoM8wodgtPmh1xo=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/subchen/go-xmldom v1.1.2 h1:7evI2YqfYYOnuj+PBwyaOZZYjl3iWq35P6KfBUw9jeU=
 github.com/subchen/go-xmldom v1.1.2/go.mod h1:6Pg/HuX5/T4Jlj0IPJF1sRxKVoI/rrKP6LIMge9d5/8=
 github.com/valyala/fastjson v1.6.7 h1:ZE4tRy0CIkh+qDc5McjatheGX2czdn8slQjomexVpBM=
@@ -60,21 +85,29 @@ go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
 go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
-golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
-golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
+golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
+golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
+golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 h1:SbTAbRFnd5kjQXbczszQ0hdk3ctwYf3qBNH9jIsGclE=
+golang.org/x/exp v0.0.0-20250813145105-42675adae3e6/go.mod h1:4QTo5u+SEIbbKW1RacMZq1YEfOBqeXa19JeshGi+zc4=
 golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
 golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E=
-golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
-golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
-golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
-golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
-golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
-google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
-google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+golang.org/x/net v0.37.0 h1:1zLorHbz+LYj7MQlSf1+2tPIIgibq2eL5xkrGk6f+2c=
+golang.org/x/net v0.37.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
+golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
+golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
+golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
+google.golang.org/genproto/googleapis/api v0.0.0-20250811230008-5f3141c8851a h1:DMCgtIAIQGZqJXMVzJF4MV8BlWoJh2ZuFiRdAleyr58=
+google.golang.org/genproto/googleapis/api v0.0.0-20250811230008-5f3141c8851a/go.mod h1:y2yVLIE/CSMCPXaHnSKXxu1spLPnglFLegmgdY23uuE=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250811230008-5f3141c8851a h1:tPE/Kp+x9dMSwUm/uM0JKK0IfdiJkwAbSMSeZBXXJXc=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250811230008-5f3141c8851a/go.mod h1:gw1tLEfykwDz2ET4a12jcXt4couGAm7IwsVaTy0Sflo=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/confgen/confgen.go

@@ -215,16 +215,16 @@ func (gen *Generator) convert(prFiles *protoregistry.Files, fd protoreflect.File
 		if sheetInfo.HasScatter() {
 			if sheetInfo.HasMerger() {
 				return xerrors.NewKV("option Scatter and Merger cannot be both set at one sheet",
-					xerrors.KeyModule, xerrors.ModuleConf, xerrors.KeyBookName, workbook.Name, xerrors.KeySheetName, specifiedSheetName)
+					xerrors.KeyModule, xerrors.ModuleConf, xerrors.KeyBookName, workbook.Name, xerrors.KeySheetName, sheetName)
 			}
 			err := gen.processScatter(imp, sheetInfo)
 			if err != nil {
-				return xerrors.WrapKV(err, xerrors.KeyModule, xerrors.ModuleConf, xerrors.KeyBookName, workbook.Name, xerrors.KeySheetName, specifiedSheetName)
+				return xerrors.WrapKV(err, xerrors.KeyModule, xerrors.ModuleConf, xerrors.KeyBookName, workbook.Name, xerrors.KeySheetName, sheetName)
 			}
 		} else {
 			err := gen.processMerger(imp, sheetInfo)
 			if err != nil {
-				return xerrors.WrapKV(err, xerrors.KeyModule, xerrors.ModuleConf, xerrors.KeyBookName, workbook.Name, xerrors.KeySheetName, specifiedSheetName)
+				return xerrors.WrapKV(err, xerrors.KeyModule, xerrors.ModuleConf, xerrors.KeyBookName, workbook.Name, xerrors.KeySheetName, sheetName)
 			}
 		}
 

internal/confgen/parser.go

@@ -569,7 +569,7 @@ func (p *sheetParser) checkListKeyUnique(field *Field, keyData string) error {
 func (p *sheetParser) checkKeyUnique(md protoreflect.MessageDescriptor, fdOpts *tableaupb.FieldOptions, keyData string) error {
 	fd := p.findFieldByName(md, fdOpts.Key)
 	if fd == nil {
-		return xerrors.Newf(fmt.Sprintf("key field not found in proto definition: %s", fdOpts.Key))
+		return xerrors.Newf("key field not found in proto definition: %s", fdOpts.Key)
 	}
 	keyField := p.parseFieldDescriptor(fd)
 	defer keyField.release()
@@ -631,7 +631,7 @@ func (p *sheetParser) checkListKeySequence(field *Field, reflectList protoreflec
 func (p *sheetParser) checkKeySequence(md protoreflect.MessageDescriptor, fdOpts *tableaupb.FieldOptions, keyData string, valueCount int64, merged bool) error {
 	fd := p.findFieldByName(md, fdOpts.Key)
 	if fd == nil {
-		return xerrors.Newf(fmt.Sprintf("key field not found in proto definition: %s", fdOpts.Key))
+		return xerrors.Newf("key field not found in proto definition: %s", fdOpts.Key)
 	}
 	keyField := p.parseFieldDescriptor(fd)
 	defer keyField.release()

internal/confgen/util.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"sync"
 
+	"buf.build/go/protovalidate"
 	"github.com/tableauio/tableau/format"
 	"github.com/tableauio/tableau/internal/importer"
 	"github.com/tableauio/tableau/internal/strcase"
@@ -275,6 +276,9 @@ func parseOutputFormats(msg proto.Message, opt *options.ConfOutputOption) []form
 
 // storeMessage stores a message to one or multiple file formats.
 func storeMessage(msg proto.Message, name, locationName, outputDir string, opt *options.ConfOutputOption) error {
+	if err := protovalidate.Validate(msg); err != nil {
+		return err
+	}
 	outputDir = filepath.Join(outputDir, opt.Subdir)
 	formats := parseOutputFormats(msg, opt)
 	for _, fmt := range formats {

internal/confgen/util_test.go

@@ -124,6 +124,70 @@ func Test_storeMessage(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name: "protovalidate-field-pass",
+			args: args{
+				msg: &unittestpb.ValidatedConf{
+					Id:   0,
+					Name: "short",
+				},
+				name:      "ValidatedConf",
+				outputDir: "_out/",
+				opt: &options.ConfOutputOption{
+					Formats: []format.Format{"json"},
+					Pretty:  true,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "protovalidate-field-fail",
+			args: args{
+				msg: &unittestpb.ValidatedConf{
+					Id:   0,
+					Name: "this exceeds max_len of 10",
+				},
+				name:      "ValidatedConf",
+				outputDir: "_out/",
+				opt: &options.ConfOutputOption{
+					Formats: []format.Format{"json"},
+					Pretty:  true,
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "protovalidate-message-pass",
+			args: args{
+				msg: &unittestpb.ValidatedConf{
+					Id:   0,
+					Name: "",
+				},
+				name:      "ValidatedConf",
+				outputDir: "_out/",
+				opt: &options.ConfOutputOption{
+					Formats: []format.Format{"json"},
+					Pretty:  true,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "protovalidate-message-fail",
+			args: args{
+				msg: &unittestpb.ValidatedConf{
+					Id:   1,
+					Name: "",
+				},
+				name:      "ValidatedConf",
+				outputDir: "_out/",
+				opt: &options.ConfOutputOption{
+					Formats: []format.Format{"json"},
+					Pretty:  true,
+				},
+			},
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

internal/importer/book/sheet.go

@@ -163,6 +163,7 @@ func (s *Sheet) ToWorkseet() *internalpb.Worksheet {
 			Patch:                  s.Meta.Patch,
 			WithParentDir:          s.Meta.WithParentDir,
 			ScatterWithoutBookName: s.Meta.ScatterWithoutBookName,
+			Validate:               s.Meta.Validate,
 			// Loader options:
 			OrderedMap:   s.Meta.OrderedMap,
 			Index:        parseIndexes(s.Meta.Index),