From 141ff66fda9abb3e1cfaa9bca8701707324ee60f Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Tue, 4 Sep 2018 02:45:31 -0400
Subject: mv src/{luigi-template,Template}.php

---
 php/src/luigi-template.php | 393 ---------------------------------------------
 1 file changed, 393 deletions(-)
 delete mode 100644 php/src/luigi-template.php

(limited to 'php/src/luigi-template.php')

diff --git a/php/src/luigi-template.php b/php/src/luigi-template.php
deleted file mode 100644
index 69e3fb8..0000000
--- a/php/src/luigi-template.php
+++ /dev/null
@@ -1,393 +0,0 @@
-<?php
-declare(strict_types = 1);
-
-namespace Luigi;
-
-const VERSION = '0.4.2';
-
-class Error extends \Exception {};
-
-class UnknownTypeError extends Error {
-  public $type,
-         $name;
-
-  public function __construct(string $type, string $name) {
-    $this->type = $type;
-    $this->name = $name;
-    parent::__construct("unknown $type: $name");
-  }
-};
-
-final class UnknownTemplateError extends UnknownTypeError {
-  public function __construct(string $name) {
-    parent::__construct('template', $name);
-  }
-};
-
-final class UnknownFilterError extends UnknownTypeError {
-  public function __construct(string $name) {
-    parent::__construct('filter', $name);
-  }
-};
-
-final class UnknownKeyError extends UnknownTypeError {
-  public function __construct(string $name) {
-    parent::__construct('key', $name);
-  }
-};
-
-final class MissingFilterParameterError extends Error {
-  public $filter_name;
-
-  public function __construct(string $filter_name) {
-    $this->filter_name = $filter_name;
-    parent::__construct("missing required filter parameter for filter $filter_name");
-  }
-};
-
-final class InvalidTemplateError extends Error {
-  public $template;
-
-  public function __construct(string $template) {
-    $this->template = $template;
-    parent::__construct("invalid template: $template");
-  }
-};
-
-namespace Luigi;
-
-final class RunContext {
-  public $args,
-         $filters;
-
-  public function __construct(array $args, array $filters) {
-    $this->args = $args;
-    $this->filters = $filters;
-  }
-};
-
-final class TemplateFilter {
-  private $name,
-          $args;
-
-  public function __construct(string $name, array $args) {
-    $this->name = $name;
-    $this->args = $args;
-  }
-
-  public function run($v, array &$args, array &$filters) {
-    if (!isset($filters[$this->name])) {
-      throw new UnknownFilterError($this->name);
-    }
-
-    # get callback
-    $cb = $filters[$this->name];
-
-    # invoke callback, return result
-    return $cb($v, $this->args, $args);
-  }
-};
-
-namespace Luigi\Parser;
-
-use Luigi\RunContext;
-use Luigi
-
-abstract class Token {
-  public function run(array $args, array $filters) : string;
-};
-
-final class LiteralToken extends Token {
-  private $val;
-
-  public function __construct(string $val) {
-    $this->val = $val;
-  }
-
-  public function run(array &$args, array &$filters) : string {
-    return $this->val;
-  }
-};
-
-final class FilterToken extends Token {
-  private $key,
-          $filters;
-
-  public function __construct(string $key, array $filters) {
-    $this->key = $key;
-    $this->filters = $filters;
-  }
-
-  public function run(array &$args, array &$filters) : string {
-    if (!isset($args[$this->key])) {
-      throw new UnknownKeyError($this->key);
-    }
-
-    # get initial value
-    $r = $args[$this->key];
-
-    if ($this->filters && count($this->filters) > 0) {
-      # pass value through filters
-      $r = array_reduce($this->filters, function($r, $f) use (&$args, &$filters) {
-        return $f->run($r, $args, $filters);
-      }, $r);
-    }
-
-    # return result
-    return $r;
-  }
-};
-
-const TOKEN_RE = '/
-  # match opening brace
-  %\{
-
-  # match optional whitespace
-  \s*
-
-  # match key
-  (?<key>[^\s\|\}]+)
-
-  # match filter(s)
-  (?<filters>(\s*\|(\s*[^\s\|\}]+)+)*)
-
-  # match optional whitespace
-  \s*
-
-  # match closing brace
-  \}
-
-  # or match up all non-% chars or a single % char
-  | (?<text>[^%]* | %)
-/mx';
-
-const FILTER_RE = '/
-  # match filter name
-  (?<name>\S+)
-
-  # match filter arguments (optional)
-  (?<args>(\s*\S+)*)
-
-  # optional trailing whitespace
-  \s*
-/mx';
-
-const DELIM_FILTERS_RE = '/\s*\|\s*/m';
-
-const DELIM_ARGS_RE = '/\s+/m';
-
-function parse_filters(string $filters) : array {
-  # split into individual filters
-  $r = [];
-
-  foreach (preg_split(DELIM_FILTERS_RE, $filters) as $f) {
-    # trim whitespace
-    $f = trim($f);
-
-    # skip empty filters
-    if (!$f)
-      continue;
-
-    # match filter
-    $md = [];
-    if (!preg_match(FILTER_RE, $f, $md)) {
-      throw new UnknownFilterError($f);
-    }
-
-    # add filter to results
-    $r[] = new TemplateFilter($md['name'], (count($md) > 2) ? preg_split(
-      DELIM_ARGS_RE,
-      trim($md['args'])
-    ) : []);
-  }
-
-  # return results
-  return $r;
-}
-
-function parse_template(string $template) : array {
-  # build list of matches
-  $matches = [];
-  $num_matches = preg_match_all(TOKEN_RE, $template, $matches, PREG_SET_ORDER);
-
-  # check for error
-  if ($num_matches === false) {
-    throw new InvalidTemplateError($template);
-  }
-
-  # map matches to tokens
-  return array_map(function($m) {
-    if ($m['key'] !== '') {
-      # filter token
-      return new FilterToken($m['key'], parse_filters($m['filters']));
-    } else {
-      # literal token
-      return new LiteralToken($m['text']);
-    }
-  }, $matches);
-}
-
-namespace Luigi;
-
-public $FILTERS = [
-  'h' => function($s) {
-    return htmlspecialchars($v, ENT_QUOTES);
-  },
-
-  'u' => function($s) {
-    return urlencode($v);
-  },
-
-  'json' => function($v) {
-    return json_encode($v);
-  },
-
-  'hash' => function($v, $args) {
-    if (count($args) !== 1) {
-      throw new MissingFilterParameterError('hash');
-    }
-
-    return hash($args[0], $v);
-  },
-
-  'base64' => function($v) {
-    return base64_encode($v);
-  },
-
-  'nl2br' => function($v) {
-    return nl2br($v);
-  },
-
-  'uc' => function($v) {
-    return strtoupper($v);
-  },
-
-  'lc' => function($v) {
-    return strtolower($v);
-  },
-
-  'trim' => function($v) {
-    return trim($v);
-  },
-
-  'rtrim' => function($v) {
-    return rtrim($v);
-  },
-
-  'ltrim' => function($v) {
-    return ltrim($v);
-  },
-
-  's' => function($v) {
-    return ($v == 1) ? '' : 's';
-  },
-
-  'strlen' => function($v) {
-    return strlen($v);
-  },
-
-  'count' => function($v) {
-    return count($v);
-  },
-
-  'key' => function($v, $args) {
-    if (count($args) !== 1) {
-      throw new MissingFilterParameterError('key');
-    }
-
-    # get key
-    $key = $args[0];
-
-    # make sure key exists
-    if (!isset($v[$key])) {
-      throw new UnknownKeyError($key);
-    }
-
-    # return key
-    return $v[$key];
-  },
-];
-
-final class Template {
-  private $template,
-          $filters,
-          $tokens;
-
-  public function __construct(
-    string $template,
-    array $custom_filters = []
-  ) {
-    global $FILTERS;
-
-    $this->template = $template;
-    $this->filters = count($custom_filters) ? $custom_filters : $FILTERS;
-
-    # parse template into list of tokens
-    $this->tokens = Parser\parse_template($template);
-  }
-
-  public function run(array $args = []) : string {
-    # php sucks
-    $me = $this;
-
-    return join('', array_map(function($token) use ($me, $args) {
-      return $token->run($args, $this->filters);
-    }, $this->tokens));
-  }
-
-  public static function once($str, $args = [], array $filters = []) {
-    $t = new Template($str, $filters);
-    return $t->run($args);
-  }
-};
-
-public function run(
-  string $template,
-  array $args = [],
-  array $filters = []
-) : string {
-  $t = new Template($template, $filters);
-  return $t->run($args);
-}
-
-final class Cache implements \ArrayAccess {
-  private $templates,
-          $filters,
-          $lut = [];
-
-  public function __construct(array $templates, array $filters = []) {
-    $this->templates = $templates;
-    $this->filters = $filters;
-  }
-
-  public function offsetExists($key) : bool {
-    return isset($this->templates[$key]);
-  }
-
-  public function offsetGet($key) {
-    if (isset($this->lut[$key])) {
-      return $this->lut[$key];
-    } else if (isset($this->templates[$key]) {
-      $this->lut[$key] = new Template($this->templates[$key], $this->filters);
-      return $this->lut[$key];
-    } else {
-      throw new UnknownTemplateError($key);
-    }
-  }
-
-  public function offsetUnset($key) {
-    delete($this->lut[$key]);
-    delete($this->templates[$key]);
-  }
-
-  public function offsetSet($key, $val) : bool {
-    delete($this->lut[$key]);
-    $this->templates[$key] = $val;
-    return isset($this->templates[$key]);
-  }
-
-
-  public function run(string $key, array $args = []) : string {
-    return $this->offsetGet($key)->run($args);
-  }
-};
-- 
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