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| author | bubulle <bubulle@alioth.debian.org> | 2011-06-16 03:49:07 +0000 |
|---|---|---|
| committer | bubulle <bubulle@alioth.debian.org> | 2011-06-16 03:49:07 +0000 |
| commit | 055c1823a4d6f723ed30fb7dec347f63fdb6a953 (patch) | |
| tree | 189a2b9da00b7c2e397e2aeddaeb7f28efa26049 /docs/htmldocs/Samba3-Developers-Guide/parsing.html | |
| parent | e64520a9ed05c9782a6e8ca8015fdef01b92ecc3 (diff) | |
| download | samba-055c1823a4d6f723ed30fb7dec347f63fdb6a953.tar.gz | |
Load samba-3.5.9~dfsg into branches/samba/upstream.upstream/3.5.9_dfsg
git-svn-id: svn://svn.debian.org/svn/pkg-samba/branches/samba/upstream@3823 fc4039ab-9d04-0410-8cac-899223bdd6b0
Diffstat (limited to 'docs/htmldocs/Samba3-Developers-Guide/parsing.html')
| -rw-r--r-- | docs/htmldocs/Samba3-Developers-Guide/parsing.html | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/docs/htmldocs/Samba3-Developers-Guide/parsing.html b/docs/htmldocs/Samba3-Developers-Guide/parsing.html index a2e66b43d3..407bcf0422 100644 --- a/docs/htmldocs/Samba3-Developers-Guide/parsing.html +++ b/docs/htmldocs/Samba3-Developers-Guide/parsing.html @@ -1,46 +1,46 @@ -<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 11. The smb.conf file</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.74.0"><link rel="home" href="index.html" title="SAMBA Developers Guide"><link rel="up" href="pt03.html" title="Part III. Samba Subsystems"><link rel="prev" href="vfs.html" title="Chapter 10. VFS Modules"><link rel="next" href="wins.html" title="Chapter 12. Samba WINS Internals"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 11. The smb.conf file</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="vfs.html">Prev</a> </td><th width="60%" align="center">Part III. Samba Subsystems</th><td width="20%" align="right"> <a accesskey="n" href="wins.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="parsing"></a>Chapter 11. The smb.conf file</h2></div><div><div class="author"><h3 class="author"><span class="firstname">Chris</span> <span class="surname">Hertel</span></h3></div></div><div><p class="pubdate">November 1997</p></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="parsing.html#id2560352">Lexical Analysis</a></span></dt><dd><dl><dt><span class="sect2"><a href="parsing.html#id2560424">Handling of Whitespace</a></span></dt><dt><span class="sect2"><a href="parsing.html#id2560469">Handling of Line Continuation</a></span></dt><dt><span class="sect2"><a href="parsing.html#id2560520">Line Continuation Quirks</a></span></dt></dl></dd><dt><span class="sect1"><a href="parsing.html#id2560597">Syntax</a></span></dt><dd><dl><dt><span class="sect2"><a href="parsing.html#id2560655">About params.c</a></span></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2560352"></a>Lexical Analysis</h2></div></div></div><p> +<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 11. The smb.conf file</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><link rel="home" href="index.html" title="SAMBA Developers Guide"><link rel="up" href="pt03.html" title="Part III. Samba Subsystems"><link rel="prev" href="vfs.html" title="Chapter 10. VFS Modules"><link rel="next" href="wins.html" title="Chapter 12. Samba WINS Internals"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 11. The smb.conf file</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="vfs.html">Prev</a> </td><th width="60%" align="center">Part III. Samba Subsystems</th><td width="20%" align="right"> <a accesskey="n" href="wins.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 11. The smb.conf file"><div class="titlepage"><div><div><h2 class="title"><a name="parsing"></a>Chapter 11. The smb.conf file</h2></div><div><div class="author"><h3 class="author"><span class="firstname">Chris</span> <span class="surname">Hertel</span></h3></div></div><div><p class="pubdate">November 1997</p></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="parsing.html#id331861">Lexical Analysis</a></span></dt><dd><dl><dt><span class="sect2"><a href="parsing.html#id331926">Handling of Whitespace</a></span></dt><dt><span class="sect2"><a href="parsing.html#id331966">Handling of Line Continuation</a></span></dt><dt><span class="sect2"><a href="parsing.html#id332009">Line Continuation Quirks</a></span></dt></dl></dd><dt><span class="sect1"><a href="parsing.html#id332079">Syntax</a></span></dt><dd><dl><dt><span class="sect2"><a href="parsing.html#id332129">About params.c</a></span></dt></dl></dd></dl></div><div class="sect1" title="Lexical Analysis"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id331861"></a>Lexical Analysis</h2></div></div></div><p> Basically, the file is processed on a line by line basis. There are four types of lines that are recognized by the lexical analyzer (params.c): -</p><div class="orderedlist"><ol type="1"><li><p> +</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p> Blank lines - Lines containing only whitespace. -</p></li><li><p> +</p></li><li class="listitem"><p> Comment lines - Lines beginning with either a semi-colon or a pound sign (';' or '#'). -</p></li><li><p> +</p></li><li class="listitem"><p> Section header lines - Lines beginning with an open square bracket ('['). -</p></li><li><p> +</p></li><li class="listitem"><p> Parameter lines - Lines beginning with any other character. (The default line type.) </p></li></ol></div><p> The first two are handled exclusively by the lexical analyzer, which ignores them. The latter two line types are scanned for -</p><div class="orderedlist"><ol type="1"><li><p> +</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p> - Section names -</p></li><li><p> +</p></li><li class="listitem"><p> - Parameter names -</p></li><li><p> +</p></li><li class="listitem"><p> - Parameter values </p></li></ol></div><p> These are the only tokens passed to the parameter loader (loadparm.c). Parameter names and values are divided from one another by an equal sign: '='. -</p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2560424"></a>Handling of Whitespace</h3></div></div></div><p> +</p><div class="sect2" title="Handling of Whitespace"><div class="titlepage"><div><div><h3 class="title"><a name="id331926"></a>Handling of Whitespace</h3></div></div></div><p> Whitespace is defined as all characters recognized by the isspace() function (see ctype(3C)) except for the newline character ('\n') The newline is excluded because it identifies the end of the line. -</p><div class="orderedlist"><ol type="1"><li><p> +</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p> The lexical analyzer scans past white space at the beginning of a line. -</p></li><li><p> +</p></li><li class="listitem"><p> Section and parameter names may contain internal white space. All whitespace within a name is compressed to a single space character. -</p></li><li><p> +</p></li><li class="listitem"><p> Internal whitespace within a parameter value is kept verbatim with the exception of carriage return characters ('\r'), all of which are removed. -</p></li><li><p> +</p></li><li class="listitem"><p> Leading and trailing whitespace is removed from names and values. -</p></li></ol></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2560469"></a>Handling of Line Continuation</h3></div></div></div><p> +</p></li></ol></div></div><div class="sect2" title="Handling of Line Continuation"><div class="titlepage"><div><div><h3 class="title"><a name="id331966"></a>Handling of Line Continuation</h3></div></div></div><p> Long section header and parameter lines may be extended across multiple lines by use of the backslash character ('\\'). Line continuation is ignored for blank and comment lines. @@ -63,7 +63,7 @@ line, plus the four preceeding the word 'with' in the second line. Line continuation characters are ignored on blank lines and at the end of comments. They are *only* recognized within section and parameter lines. -</p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2560520"></a>Line Continuation Quirks</h3></div></div></div><p>Note the following example:</p><pre class="programlisting"> +</p></div><div class="sect2" title="Line Continuation Quirks"><div class="titlepage"><div><div><h3 class="title"><a name="id332009"></a>Line Continuation Quirks</h3></div></div></div><p>Note the following example:</p><pre class="programlisting"> param name = parameter value string \ \ with line continuation. @@ -87,26 +87,26 @@ terminating character, and the rest of the line is ignored. The lines </pre><p>are read as</p><pre class="programlisting"> [section name] param name = value -</pre></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2560597"></a>Syntax</h2></div></div></div><p>The syntax of the smb.conf file is as follows:</p><pre class="programlisting"> +</pre></div></div><div class="sect1" title="Syntax"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id332079"></a>Syntax</h2></div></div></div><p>The syntax of the smb.conf file is as follows:</p><pre class="programlisting"> <file> :== { <section> } EOF <section> :== <section header> { <parameter line> } <section header> :== '[' NAME ']' <parameter line> :== NAME '=' VALUE NL -</pre><p>Basically, this means that</p><div class="orderedlist"><ol type="1"><li><p> +</pre><p>Basically, this means that</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><p> a file is made up of zero or more sections, and is terminated by an EOF (we knew that). -</p></li><li><p> +</p></li><li class="listitem"><p> A section is made up of a section header followed by zero or more parameter lines. -</p></li><li><p> +</p></li><li class="listitem"><p> A section header is identified by an opening bracket and terminated by the closing bracket. The enclosed NAME identifies the section. -</p></li><li><p> +</p></li><li class="listitem"><p> A parameter line is divided into a NAME and a VALUE. The *first* equal sign on the line separates the NAME from the VALUE. The VALUE is terminated by a newline character (NL = '\n'). -</p></li></ol></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2560655"></a>About params.c</h3></div></div></div><p> +</p></li></ol></div><div class="sect2" title="About params.c"><div class="titlepage"><div><div><h3 class="title"><a name="id332129"></a>About params.c</h3></div></div></div><p> The parsing of the config file is a bit unusual if you are used to lex, yacc, bison, etc. Both lexical analysis (scanning) and parsing are performed by params.c. Values are loaded via callbacks to |