diff --git a/core/runner/sandbox.lua b/core/runner/sandbox.lua index 9568437..4103f61 100644 --- a/core/runner/sandbox.lua +++ b/core/runner/sandbox.lua @@ -430,6 +430,108 @@ local util = { } } +-- ====================================================================== +-- TEMPLATE RENDER FUNCTION +-- ====================================================================== + +_G.render = function(template_str, env) + local OPEN_TAG, CLOSE_TAG = "" + + -- Helper functions + local function escape_html(s) + local entities = {['&']='&', ['<']='<', ['>']='>', ['"']='"', ["'"]='''} + return (s:gsub([=[["><'&]]=], entities)) + end + + local function get_line(s, ln) + for line in s:gmatch("([^\n]*)\n?") do + if ln == 1 then return line end + ln = ln - 1 + end + end + + local function pos_to_line(s, pos) + local line = 1 + for _ in s:sub(1, pos):gmatch("\n") do line = line + 1 end + return line + end + + -- Parse template + local pos, chunks = 1, {} + while pos <= #template_str do + local start, stop = template_str:find(OPEN_TAG, pos, true) + if not start then + table.insert(chunks, template_str:sub(pos)) + break + end + + if start > pos then + table.insert(chunks, template_str:sub(pos, start-1)) + end + + pos = stop + 1 + local modifier = template_str:match("^[=-]", pos) + if modifier then pos = pos + 1 end + + local close_start, close_stop = template_str:find(CLOSE_TAG, pos, true) + if not close_start then + error("Failed to find closing tag at position " .. pos) + end + + local trim_newline = false + if template_str:sub(close_start-1, close_start-1) == "-" then + close_start = close_start - 1 + trim_newline = true + end + + local code = template_str:sub(pos, close_start-1) + table.insert(chunks, {modifier or "code", code, pos}) + + pos = close_stop + 1 + if trim_newline and template_str:sub(pos, pos) == "\n" then + pos = pos + 1 + end + end + + -- Compile chunks to Lua code + local buffer = {"local _tostring, _escape, _b, _b_i = ...\n"} + for _, chunk in ipairs(chunks) do + local t = type(chunk) + if t == "string" then + table.insert(buffer, "_b_i = _b_i + 1\n") + table.insert(buffer, "_b[_b_i] = " .. string.format("%q", chunk) .. "\n") + else + t = chunk[1] + if t == "code" then + table.insert(buffer, "--[[" .. chunk[3] .. "]] " .. chunk[2] .. "\n") + elseif t == "=" or t == "-" then + table.insert(buffer, "_b_i = _b_i + 1\n") + table.insert(buffer, "--[[" .. chunk[3] .. "]] _b[_b_i] = ") + if t == "=" then + table.insert(buffer, "_escape(_tostring(" .. chunk[2] .. "))\n") + else + table.insert(buffer, "_tostring(" .. chunk[2] .. ")\n") + end + end + end + end + table.insert(buffer, "return _b") + + -- Load the compiled code + local fn, err = loadstring(table.concat(buffer)) + if not fn then error(err) end + + -- Create execution environment + env = env or {} + local runtime_env = setmetatable({}, {__index = function(_, k) return env[k] or _G[k] end}) + + setfenv(fn, runtime_env) + + local output_buffer = {} + fn(tostring, escape_html, output_buffer, 0) + return table.concat(output_buffer) +end + -- ====================================================================== -- REGISTER MODULES GLOBALLY -- ====================================================================== diff --git a/go.sum b/go.sum index 00e2e0b..01b1ecc 100644 --- a/go.sum +++ b/go.sum @@ -61,37 +61,28 @@ golang.org/x/tools v0.32.0 h1:Q7N1vhpkQv7ybVzLFtTjvQya2ewbwNDZzUgfXGqtMWU= golang.org/x/tools v0.32.0/go.mod h1:ZxrU41P/wAbZD8EDa6dDCa6XfpkhJ7HFMjHJXfBDu8s= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= -modernc.org/cc/v4 v4.21.4 h1:3Be/Rdo1fpr8GrQ7IVw9OHtplU4gWbb+wNgeoBMmGLQ= -modernc.org/cc/v4 v4.21.4/go.mod h1:HM7VJTZbUCR3rV8EYBi9wxnJ0ZBRiGE5OeGXNA0IsLQ= -modernc.org/ccgo/v4 v4.19.2 h1:lwQZgvboKD0jBwdaeVCTouxhxAyN6iawF3STraAal8Y= -modernc.org/ccgo/v4 v4.19.2/go.mod h1:ysS3mxiMV38XGRTTcgo0DQTeTmAO4oCmJl1nX9VFI3s= -modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE= -modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ= +modernc.org/cc/v4 v4.26.0 h1:QMYvbVduUGH0rrO+5mqF/PSPPRZNpRtg2CLELy7vUpA= +modernc.org/cc/v4 v4.26.0/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0= +modernc.org/ccgo/v4 v4.26.0 h1:gVzXaDzGeBYJ2uXTOpR8FR7OlksDOe9jxnjhIKCsiTc= +modernc.org/ccgo/v4 v4.26.0/go.mod h1:Sem8f7TFUtVXkG2fiaChQtyyfkqhJBg/zjEJBkmuAVY= modernc.org/fileutil v1.3.1 h1:8vq5fe7jdtEvoCf3Zf9Nm0Q05sH6kGx0Op2CPx1wTC8= -modernc.org/gc/v2 v2.4.1 h1:9cNzOqPyMJBvrUipmynX0ZohMhcxPtMccYgGOJdOiBw= -modernc.org/gc/v2 v2.4.1/go.mod h1:wzN5dK1AzVGoH6XOzc3YZ+ey/jPgYHLuVckd62P0GYU= -modernc.org/libc v1.55.3 h1:AzcW1mhlPNrRtjS5sS+eW2ISCgSOLLNyFzRh/V3Qj/U= -modernc.org/libc v1.55.3/go.mod h1:qFXepLhz+JjFThQ4kzwzOjA/y/artDeg+pcYnY+Q83w= +modernc.org/fileutil v1.3.1/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc= +modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI= +modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito= modernc.org/libc v1.65.0 h1:e183gLDnAp9VJh6gWKdTy0CThL9Pt7MfcR/0bgb7Y1Y= modernc.org/libc v1.65.0/go.mod h1:7m9VzGq7APssBTydds2zBcxGREwvIGpuUBaKTXdm2Qs= -modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4= -modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo= modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU= modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg= -modernc.org/memory v1.8.0 h1:IqGTL6eFMaDZZhEWwcREgeMXYwmW83LYW8cROZYkg+E= -modernc.org/memory v1.8.0/go.mod h1:XPZ936zp5OMKGWPqbD3JShgd/ZoQ7899TUuQqxY+peU= modernc.org/memory v1.10.0 h1:fzumd51yQ1DxcOxSO+S6X7+QTuVU+n8/Aj7swYjFfC4= modernc.org/memory v1.10.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw= -modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4= -modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0= -modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc= -modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss= -modernc.org/sqlite v1.33.1 h1:trb6Z3YYoeM9eDL1O8do81kP+0ejv+YzgyFo+Gwy0nM= -modernc.org/sqlite v1.33.1/go.mod h1:pXV2xHxhzXZsgT/RtTFAPY6JJDEvOTcTdwADQCCWD4k= +modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8= +modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns= +modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w= +modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE= modernc.org/sqlite v1.37.0 h1:s1TMe7T3Q3ovQiK2Ouz4Jwh7dw4ZDqbebSDTlSJdfjI= modernc.org/sqlite v1.37.0/go.mod h1:5YiWv+YviqGMuGw4V+PNplcyaJ5v+vQd7TQOgkACoJM= -modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA= -modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0= +modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0= +modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A= modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y= modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM= zombiezen.com/go/sqlite v1.4.0 h1:N1s3RIljwtp4541Y8rM880qgGIgq3fTD2yks1xftnKU=