change: supported Lua 5.2, 5.3 and LuaJIT 2.1 beta.

Author: membphis

README.md

@@ -14,7 +14,7 @@ possible.
 Installation
 ------------
 
-This module is pure Lua in OpenResty.
+This module is pure Lua/LuaJIT project, it support Lua 5.2, Lua 5.3, LuaJIT 2.1 beta.
 
 The preferred way to install this library is to use Luarocks:
 
@@ -26,6 +26,12 @@ Running the tests:
     make dev
     make test
 
+The project references the pcre regular library.
+
+If you were using the LuaJIT of OpenResty, it will use the built-in `ngx.re.find` automaticly.
+But if you are using Lua 5.2, 5.3 or LuaJIT 2.1 beta, you will need to install `lrexlib-pcre`.
+
+In addition, the project also relies on the `net_url` library, which you need to install anyway.
 
 Usage
 -----

resty/jsonschema.lua

@@ -36,6 +36,17 @@ do
   end
 end
 
+local match_pattern
+if ngx then
+  match_pattern = ngx.re.find
+else
+  local ok, rex = pcall(require, "rex_pcre")
+  if not ok then
+    error("depends on lrexlib-pcre, please install it first: " .. rex)
+  end
+  match_pattern = rex.find
+end
+
 --
 -- Code generation
 --
@@ -970,7 +981,7 @@ return {
   generate_validator = function(schema, custom)
     local customlib = {
       null = custom and custom.null or default_null,
-      match_pattern = custom and custom.match_pattern or string.find
+      match_pattern = custom and custom.match_pattern or match_pattern
     }
     local name = custom and custom.name
     return generate_main_validator_ctx(schema, custom):as_func(name, validatorlib, customlib)

t/draft4.lua

@@ -115,7 +115,6 @@ for _, descriptor in ipairs(supported) do
     if skipped ~= true then
       local validator = jsonschema.generate_validator(suite.schema, {
         name = suite.description,
-        match_pattern = ngx.re.find,
       })
       for _, case in ipairs(suite.tests) do
         if skipped[case.description] then

t/draft6.lua

@@ -120,7 +120,6 @@ for _, descriptor in ipairs(supported) do
     if skipped ~= true then
       local validator = jsonschema.generate_validator(suite.schema, {
         name = suite.description,
-        match_pattern = ngx.re.find,
       })
       for _, case in ipairs(suite.tests) do
         if skipped[case.description] then

t/draft7.lua

@@ -123,7 +123,6 @@ for _, descriptor in ipairs(supported) do
     if skipped ~= true then
       local validator = jsonschema.generate_validator(suite.schema, {
         name = suite.description,
-        match_pattern = ngx.re.find,
       })
       for _, case in ipairs(suite.tests) do
         if skipped[case.description] then