Initial commit

.gitignore

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+/vendor/
+/composer.lock
+

composer.json

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+{
+    "name": "noccylabs/glabels",
+    "description": "Parse information from GLabels files",
+    "type": "library",
+    "license": "GPL-3.0-or-later",
+    "authors": [
+        {
+            "name": "Christopher Vagnetoft",
+            "email": "cvagnetoft@gmail.com"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "NoccyLabs\\Glabels\\": "src/"
+        }
+    }
+}

src/GlabelsException.php

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+<?php
+
+namespace NoccyLabs\Glabels;
+
+class GlabelsException extends \RuntimeException
+{
+    public static function NoDocumentLoaded()
+    {
+        return new GlabelsException("No document has been loaded");
+    }
+
+    public static function MergeCommandFailed()
+    {
+        return new GlabelsException("Merge command failed");
+    }
+
+    public static function ConvertCommandFailed()
+    {
+        return new GlabelsException("Convert command failed");
+    }
+}

src/GlabelsLabel.php

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+<?php
+
+namespace NoccyLabs\Glabels;
+
+use SimpleXMLElement;
+
+class GlabelsLabel
+{
+
+    const XMLNS_GLABELS = "http://glabels.org/xmlns/3.0/";
+
+    private $filename;
+
+    /** @var SimpleXMLElement */
+    private $root;
+
+    public function __construct(?string $filename=null)
+    {
+        if ($filename) {
+            $this->open($filename);
+        }
+    }
+
+    public function open(string $filename)
+    {
+        $path = sprintf("compress.zlib://%s", realpath($filename));
+
+        $xml = file_get_contents($path);
+
+        $root = @simplexml_load_string($xml, "SimpleXMLElement", LIBXML_BIGLINES);
+        if ($root) {
+            $root->registerXPathNamespace("glabels", self::XMLNS_GLABELS);
+            $this->root = $root;
+        }
+
+        $this->filename = $filename;
+    }
+
+    public function getFilename(): ?string
+    {
+        return $this->filename;
+    }
+
+    public function getMergeFields(): array
+    {
+        if (!$this->root) {
+            throw GlabelsException::NoDocumentLoaded();
+        }
+
+        $fields = [];
+
+        foreach ($this->root->xpath("//glabels:Field") as $field) {
+            $fieldName = (string)$field['name'];
+            if (!in_array($fieldName, $fields)) 
+                $fields[] = $fieldName;
+        }
+
+        return $fields;
+    }
+
+    public function getTemplateInformation(): array
+    {
+        if (!$this->root) {
+            throw GlabelsException::NoDocumentLoaded();
+        }
+
+        $template = $this->root->xpath("//glabels:Glabels-document/glabels:Template");
+        $template = array_shift($template);
+
+        $templateBrand = (string)$template['brand'];
+        $templatePart = (string)$template['part'];
+        $templateSize = [
+            'width' => (string)$template['width'],
+            'height' => (string)$template['height']
+        ];
+        $templateDescr = (string)$template['description'];
+
+        $rotate = $this->root->xpath("//glabels:Objects");
+        $rotate = array_shift($rotate);
+
+        $rotate = ($rotate['rotate'] == "True");
+
+        return [
+            'brand' => $templateBrand,
+            'part' => $templatePart,
+            'description' => $templateDescr,
+            'size' => $templateSize,
+            'rotate' => $rotate
+        ];
+    }
+
+    public function getMergeType(): string
+    {
+        if (!$this->root) {
+            throw GlabelsException::NoDocumentLoaded();
+        }
+
+        $merge = $this->root->xpath("//glabels:Merge");
+        $merge = array_shift($merge);
+
+        return (string)$merge['type'];
+    }
+
+    public function generatePreview(string $output, array $data=null)
+    {
+        if (!$data) {
+            $fields = $this->getMergeFields();
+            $data = array_combine($fields, $fields);
+        }
+
+        $tempfile = sprintf("/tmp/%s.tmp", uniqid("php_glabels_"));
+        $tempout = sprintf("/tmp/%s.pdf", uniqid("php_glabels_"));
+
+        $fd = fopen($tempfile, "w");
+        fputcsv($fd, array_keys($data));
+        fputcsv($fd, array_values($data));
+        fclose($fd);
+
+        $mergeCmdline = sprintf(
+            "glabels-3-batch -i %s -o %s %s", 
+            escapeshellarg($tempfile),
+            escapeshellarg($tempout),
+            escapeshellarg($this->filename)
+        );
+
+        echo "\$ ".$mergeCmdline."\n";
+
+        exec($mergeCmdline, $out, $ret);
+        if ($ret != 0) {
+            throw GlabelsException::MergeCommandFailed();
+        }
+
+        unlink($tempfile);
+
+        $template = $this->getTemplateInformation();
+
+        $args = [
+            "-density 300",
+            escapeshellarg($tempout)
+        ];
+        if ($template['rotate']) {
+            $args[] = "-rotate 270";
+        }
+        $args[] = escapeshellarg($output);
+
+        $convertCmdline = sprintf("convert %s", join(" ",$args));
+
+        echo "\$ ".$convertCmdline."\n";
+
+        exec($convertCmdline, $out, $ret);
+
+        if ($ret != 0) {
+            throw GlabelsException::ConvertCommandFailed();
+        }
+
+        unlink($tempout);
+
+    }
+
+}
+

src/LabelMerger.php

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+<?php
+
+namespace NoccyLabs\Glabels;
+
+use SimpleXMLElement;
+
+class LabelMerger
+{
+    /** @var GlabelsLabel $label */
+    private $label;
+    /** @var array $rows */
+    private $rows = [];
+
+    private $fields = [];
+
+    public function __construct(GLabelsLabel $label)
+    {
+        $this->label = $label;
+        try {
+            $this->fields = $label->getMergeFields();
+        } catch (\Exception $e) {
+            $this->fields = [];
+        }
+    }
+
+    public function getSupportedFields()
+    {
+        return $this->fields;
+    }
+
+    public function addRow(array $data)
+    {
+        if (count($this->fields) > 0) {
+            $row = [];
+            foreach ($this->fields as $field) {
+                $row[] = array_key_exists($field, $data)?$data[$field]:null;
+            }
+            $this->rows[] = $row;
+        } else {
+            $this->rows[] = $data;
+        }
+    }
+
+    public function mergeToPdf(string $output)
+    {
+        $tempfile = sprintf("/tmp/%s.tmp", uniqid("php_glabels_"));
+
+        $fd = fopen($tempfile, "w");
+        if (count($this->fields)>0) {
+            fputcsv($fd, $this->fields);
+        } else {
+            fputcsv($fd, array_keys(reset($this->rows)));
+        }
+        foreach ($this->rows as $row) {
+            fputcsv($fd, $row);
+        }
+        fclose($fd);
+
+        $filename = $this->label->getFilename();
+        $mergeCmdline = sprintf(
+            "glabels-3-batch -i %s -o %s %s", 
+            escapeshellarg($tempfile),
+            escapeshellarg($output),
+            escapeshellarg($filename)
+        );
+
+        file_put_contents("/tmp/label.cmd", $mergeCmdline);
+
+        exec($mergeCmdline, $out, $ret);
+        if ($ret != 0) {
+            throw new GlabelsException("Merge failed");
+        }
+
+        unlink($tempfile);
+
+        /*
+        $template = $this->label->getTemplateInformation();
+
+        $args = [
+            "-density 300",
+            escapeshellarg($tempout)
+        ];
+        if ($template['rotate']) {
+            $args[] = "-rotate 270";
+        }
+        $args[] = escapeshellarg($output);
+
+        $convertCmdline = sprintf("convert %s", join(" ",$args));
+
+        echo "\$ ".$convertCmdline."\n";
+
+        exec($convertCmdline, $out, $ret);
+
+        if ($ret != 0) {
+            throw GlabelsException::ConvertCommandFailed();
+        }
+
+        unlink($tempout);
+        */
+    }
+
+}
+