https://github.com/zotonic/z_stdlib

Zotonic standard function library
https://github.com/zotonic/z_stdlib

Last synced: 21 days ago
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Zotonic standard function library

• Host: GitHub
• URL: https://github.com/zotonic/z_stdlib
• Owner: zotonic
• License: apache-2.0
• Created: 2012-10-15T22:23:22.000Z (over 12 years ago)
• Default Branch: master
• Last Pushed: 2025-02-03T14:32:51.000Z (3 months ago)
• Last Synced: 2025-03-29T06:05:00.194Z (28 days ago)
• Language: Erlang
• Homepage: http://zotonic.com
• Size: 721 KB
• Stars: 21
• Watchers: 12
• Forks: 14
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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zotonic_stdlib

==============

Zotonic standard library - a library with hopefully useful functions

Extracted from Zotonic, the Erlang CMS http://zotonic.com/

Installation

------------

Due to historical reasons the library is called `z_stdlib`.

It should be checked out as `zotonic_stdlib`:

    git clone https://github.com/zotonic/z_stdlib.git zotonic_stdlib

The library is also on Hex https://hex.pm/packages/zotonic_stdlib

In your rebar.config file, use Hex (for rebar3):

    {deps, [

        zotonic_stdlib

    ]}.

Or, directly git (rebar2):

    {deps, [

        {zotonic_stdlib, ".*", {git, "https://github.com/zotonic/z_stdlib.git", "master"}}

    ]}.

Modules

-------

The following modules are provided:

### z_convert

Conversion routines for:

 * all common data types (binary, boolean, integer, etc.).

 * dates: to_utc, to_local, iso8601 parsing

 * json, convert to simple json constructs

 * IP address conversions

### z_css

Strict CSS parser and sanitizer.

### z_cssmin

CSS minifier

### z_dateformat

Routines for formatting dates.

Example:

    z_dateformat:format({{2008,12,10},{15,30,0}}, "Y-m-d H:i:s", [ {tz, "GMT"} ]).

### z_email_dnsbl

Check IP addresses for their presence on DNS block- or allowlists.

### z_email_utils

Test if an email address is syntactically valid. Extract email address from a text.

### z_filelib

Convenience function to make nested directories.

### z_html

HTML routines like escape, unescape, sanitize, etc.

### z_ip_address

Match an IP address against lists, check if an IP address is a non routable LAN address.

### z_jsmin

JavaScript minimizer, removes spaces, comments and newlines.

### z_string

String routines. To uppercase, lowercase, truncate, trim, utf8 checks, and more.

### z_svg

SVG sanitizer.

### z_tempfile

Temporary file routines. Make tempfiles, including watch dog process to clean up the file.

### z_ubf

UBF-A encoding and decoding routines. Safe for atoms and maximum memory size.

### z_url

URL encode, decode and more.

### z_url_fetch

Fetch the first N bytes of a URL. Protection against too large return body.

### z_url_metadata

Fetch URL, extract metadata like mime type, title, description, images etc.

Tests

-----

To run the test set:

    make test

All tests should pass.