comparison: markdown_it.lua
markdown_it.lua
- changeset 30
- 3ac53da03439
- parent 21
- 3c71c525cec2
- child 39
- 5fc5f93a8cad
equal
deleted
inserted
replaced
| 29:d4b0773f5e06 | 30:3ac53da03439 |
|---|---|
| 1 local markdown_it={} | 1 local markdown_it={} |
| 2 | 2 |
| 3 local io = require('io') | 3 local io = require('io') |
| 4 local os = require('os') | 4 local os = require('os') |
| 5 local path = require('mypath') | |
| 6 local lfs = require('lfs') | |
| 7 | |
| 8 function markdown_it.katex_config(env) | |
| 9 katex_config = path.join(env.paths.tmpl, "katex_config.json") | |
| 10 if lfs.attributes(katex_config) then | |
| 11 return katex_config | |
| 12 else | |
| 13 return nil | |
| 14 end | |
| 15 end | |
| 5 | 16 |
| 6 function markdown_it.markdown(str, env) | 17 function markdown_it.markdown(str, env) |
| 7 -- Lua doesn't have bidirectional pipes without the posix library. | 18 -- Lua doesn't have bidirectional pipes without the posix library. |
| 8 -- Keep things and compatible and use temporary files. | 19 -- Keep things and compatible and use temporary files. |
| 9 tmpname = os.tmpname() | 20 tmpname = os.tmpname() |
| 10 file = io.open(tmpname, 'w') | 21 file = io.open(tmpname, 'w') |
| 11 file:write(str) | 22 file:write(str) |
| 12 cmd = string.format("node '%s/markdown_it.js' '%s'", | 23 cmd = string.format("node '%s/markdown_it.js' '%s'", |
| 13 env.paths.lgen_location, | 24 env.paths.lgen_location, |
| 14 tmpname) | 25 tmpname) |
| 26 -- Provide TEMPLATE_PATH/katex_config.json if it exists | |
| 27 katex_config = markdown_it.katex_config(env) | |
| 28 if katex_config then | |
| 29 cmd = cmd .. " '" .. katex_config .. "'" | |
| 30 end | |
| 15 io.stdout:write('Executing ' .. cmd .. '\n') | 31 io.stdout:write('Executing ' .. cmd .. '\n') |
| 16 h = io.popen(cmd, 'r') | 32 h = io.popen(cmd, 'r') |
| 17 result = h:read("*a") | 33 result = h:read("*a") |
| 18 h:close() | 34 h:close() |
| 19 file:close() | 35 file:close() |
| 20 return result | 36 return result |
| 21 end | 37 end |
| 22 | 38 |
| 39 function markdown_it.add_deps(deps, env) | |
| 40 katex_config = markdown_it.katex_config(env) | |
| 41 if katex_config then | |
| 42 table.insert(deps, katex_config) | |
| 43 end | |
| 44 end | |
| 45 | |
| 23 return markdown_it | 46 return markdown_it |
