Read Project File From Lua

Introduction

This example shows how to use the builtin Iguana file APIs to load files from a project for an Iguana translator instance. The technique is simply to understand the layout of the file system and use standard Lua file APIs to load the files in question.

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Using the Code [top]

  • Import the Read Project File From Lua channel from the Builtin: Iguana Files repository
  • Experiment with the code to find out how it works
  • Adapt the code to your own requirements
  • Copy the loadFile() function into your script
    Note: You may want to put the loadFile() function in a module
  • Then just copy the code you need from main() into your script, and adapt it as needed

This is the github code for the main module:

How it works [top]

  • Find the root directory for the project (a subdirectory of the Iguana instance project root directory)
    • Use iguana.project.root() to find the root directory for the Iguana instance
    • Use iguana.project.guid()  to find the project guid
    • Append the guid to the root directory
  • Load a file from the project root directory
    • Use the loadFile() function to load the local.xml file
      Note: loadFile() uses builtin API functions to open, read and close a file
  • Load a file from the “other” directory (a subdirectory of the Iguana instance project root directory)
    • Append “other/example.xml” to the Iguana instance project root directory
    • Append the name of the file to load,  we appended “example.xml”
    • Use loadFile() to load the file

More information [top]

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