X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=template.php;h=5d35ff7731aa1d095808d03fd33b3fa44789fd8c;hb=c25c54f65fe42aeb61caab597e2747fdc0ef1225;hp=6aba82b4b6d1139f0f1757d1f3ed9d1a16ba1518;hpb=317dd86de6d8576196cf865109d621219fa2f187;p=wfpl.git
diff --git a/template.php b/template.php
index 6aba82b..5d35ff7 100644
--- a/template.php
+++ b/template.php
@@ -37,9 +37,9 @@
# tem_auto_* function to munge the data, automating certain common use
# cases. See the comments on the tem_auto functions for more details.
-require_once('code/wfpl/encode.php');
-require_once('code/wfpl/file.php');
-require_once('code/wfpl/misc.php');
+require_once(__DIR__ . '/encode.php');
+require_once(__DIR__ . '/file.php');
+require_once(__DIR__ . '/misc.php');
# Top-Level Functions
@@ -53,19 +53,18 @@ function template_file($filename, $data) {
return fill_template(parse_template_file($filename), $data);
}
-function parse_template_file($filename) {
+function &parse_template_file($filename) {
return parse_template(file_get_contents($filename));
}
-# We parse the template string into a tree of strings and sub-templates.
+# We parse the template string into a tree of strings and sub-templates.
# A template is a hash with a name string, a pieces array, and possibly
# an args array.
-function parse_template($string) {
+function &parse_template($string) {
$tem =& tem_push();
$tem['pieces'] = array();
- # note: for some reason this captures ''.
- $matches = preg_split("/()/", $string, -1, PREG_SPLIT_DELIM_CAPTURE);
+ $matches = preg_split('/()/', preg_replace('//', '$1', $string), -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
foreach($matches as $match) {
if($match == '~~') $match = '~';
if(substr($match,0,1) == '~' and strlen($match) > 2) {
@@ -85,13 +84,13 @@ function parse_template($string) {
array_pop($args); # drop '}'
$cur = $tem['name'];
if($name && $name != $cur) {
- die("Invalid template: tried to close '$name', but '$cur' is current.");
+ die("Invalid template: tried to close '$name', but '$cur' is current.");
}
$tem =& $tem['parent'];
} else { # value slot
$tem['pieces'][] = array('name' => $name, 'args' => $args);
}
- } elseif($match and $match != '
#
# row content...
-#
+#
#
#
#
function tem_auto_sep(&$value, $key, $context) {
$rows =& $context['parent']['parent'];
if($rows['cur'] != count($rows['rows'])-1) # last row?
- return $value = true; # show once
+ return true; # show once
}
-# 'show' sections will be shown unless the corresponding data value
-# is false. We check only for false; 0 or '' will not work.
+# auto-show once, only when this is the first row of the parent
+function tem_auto_last(&$value, $key, $context) {
+ $rows =& $context['parent']['parent'];
+ if($rows['cur'] == count($rows['rows'])-1) # last row?
+ return true; # show once
+}
+# auto-show once, only when this is the last row of the parent
+function tem_auto_first(&$value, $key, $context) {
+ $rows =& $context['parent']['parent'];
+ if($rows['cur'] == 0) # first row?
+ return true; # show once
+}
+
+# 'show' sections will be shown unless the corresponding data
+# value === false
function tem_auto_show(&$value) {
- if($value !== false) $value = array(array());
+ if($value === null) return true;
return $value;
}
+# 'empty' sections will be shown only if the corresponding data value is the
+# empty string
+function tem_auto_empty(&$value) {
+ if($value === '') return true;
+ return null;
+}
+
+# 'nonempty' sections will not be shown if the corresponding data
+# value is the empty string
+function tem_auto_nonempty(&$value) {
+ if($value === '') return null;
+ return $value;
+}
+
+# 'unset' sections will not be shown if the corresponding data
+# value is not set (opposite of default)
+function tem_auto_unset(&$value) {
+ if($value === null) {
+ return '';
+ } else {
+ return null;
+ }
+}
+
# 'evenodd' sections are given an 'evenodd' attribute whose value
# alternates between 'even' and 'odd'.
-
function tem_auto_evenodd(&$values) {
- $even = false;
- foreach($values as &$value) {
+ $even = true;
+ if($values) foreach($values as &$value) {
$value['evenodd'] = $even ? 'even' : 'odd';
$even = !$even;
}
return $values;
}
+# 'once' sections are shown exactly once if the value is set (and not at all
+# otherwise.) This is useful when an array value would otherwise cause the
+# section to be displayed multiple times.
+function tem_auto_once(&$value) {
+ if($value === null) return null;
+ return true;
+}
+
+function tem_auto_once_if(&$value) {
+ if($value) return true;
+ return null;
+}
+
+# 'once' sections are shown exactly once if php evaluates the value to false
+# (and not at all otherwise.) This is useful when an array value would
+# otherwise cause the section to be displayed multiple times.
+function tem_auto_once_else(&$value) {
+ if($value) return null;
+ return true;;
+}
+
@@ -349,6 +430,7 @@ function &tem_is_old_sub($name, &$template) {
if($tem) return $tem;
}
}
+ return false;
}
class tem {
@@ -356,14 +438,20 @@ class tem {
var $data;
function tem() {
- $this->template = array();
+ $this->template = array('pieces' => array());
$this->data = array();
- }
+ }
- function set($key, $value) {
+ function set($key, $value = true) {
$this->data[$key] = $value;
}
+ function sets($hash) {
+ foreach($hash as $key => $value) {
+ $this->set($key, $value);
+ }
+ }
+
function append($key, $value) {
$this->data[$key] .= $value;
}
@@ -382,7 +470,9 @@ class tem {
function show($name) {
$tem = tem_is_old_sub($name, $this->template);
- $this->data[$name] .= fill_template($tem, $this->data);
+ if($tem) {
+ $this->data[$name] .= fill_template($tem, $this->data);
+ }
}
function show_separated($name) {
@@ -393,11 +483,11 @@ class tem {
}
function load_str($str) {
- $this->template = parse_template($str);
+ $this->template =& parse_template($str);
}
function load($filename) {
- $this->template = parse_template_file($filename);
+ $this->template =& parse_template_file($filename);
}
function run($tem = false) {
@@ -426,7 +516,14 @@ class tem {
# merge the data arrays and template trees (new style)
$this->data = array_merge($this->data, $tem->data);
- $this->template = merge_templates($this->template, $tem->template);
+ merge_templates($this->template, $tem->template);
+ }
+
+ # see merge() above
+ function merge_file($filename) {
+ $other_tem = new tem();
+ $other_tem->load($filename);
+ $this->merge($other_tem);
}
function top_sub_names($is_sub = 'is_sub_template') {
@@ -464,11 +561,16 @@ function tem_prepend($key, $value) {
$GLOBALS['wfpl_template']->prepend($key, $value);
}
-function tem_set($key, $value) {
+function tem_set($key, $value = true) {
tem_init();
$GLOBALS['wfpl_template']->set($key, $value);
}
+function tem_sets($hash) {
+ tem_init();
+ $GLOBALS['wfpl_template']->sets($hash);
+}
+
function tem_get($key) {
tem_init();
return $GLOBALS['wfpl_template']->get($key);
@@ -494,6 +596,16 @@ function tem_load($filename) {
$GLOBALS['wfpl_template']->load($filename);
}
+function tem_merge($tem) {
+ tem_init();
+ $GLOBALS['wfpl_template']->merge($tem);
+}
+
+function tem_merge_file($filename) {
+ tem_init();
+ $GLOBALS['wfpl_template']->merge_file($filename);
+}
+
function tem_output($filename = false) {
tem_init();
$GLOBALS['wfpl_template']->output($filename);