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File_format.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<link rel="stylesheet" href="style.css" type="text/css">
<meta content="text/html; charset=iso-8859-1" http-equiv="Content-Type">
<link rel="Start" href="index.html">
<link rel="previous" href="File.html">
<link rel="next" href="Parallel.html">
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<link title="Index of types" rel=Appendix href="index_types.html">
<link title="Index of exceptions" rel=Appendix href="index_exceptions.html">
<link title="Index of values" rel=Appendix href="index_values.html">
<link title="Index of modules" rel=Appendix href="index_modules.html">
<link title="Index of module types" rel=Appendix href="index_module_types.html">
<link title="Client" rel="Chapter" href="Client.html">
<link title="File" rel="Chapter" href="File.html">
<link title="File_format" rel="Chapter" href="File_format.html">
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<link title="Path" rel="Chapter" href="Path.html">
<link title="Process" rel="Chapter" href="Process.html">
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<link title="Solver" rel="Chapter" href="Solver.html">
<link title="Types" rel="Chapter" href="Types.html"><link title="Parsing functions" rel="Section" href="#2_Parsingfunctions">
<link title="Creation functions" rel="Section" href="#2_Creationfunctions">
<link title="Printing functions" rel="Section" href="#2_Printingfunctions">
<link title="Finding functions" rel="Section" href="#2_Findingfunctions">
<link title="Formula" rel="Section" href="#2_Formula">
<link title="Environment variables" rel="Section" href="#2_Environmentvariables">
<title>File_format</title>
</head>
<body>
<div class="navbar"><a class="pre" href="File.html" title="File">Previous</a>
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</div>
<h1>Module <a href="type_File_format.html">File_format</a></h1>
<pre><span class="keyword">module</span> File_format: <code class="code">sig</code> <a href="File_format.html">..</a> <code class="code">end</code></pre>Untyped generic file format.<br>
<hr width="100%">
<pre><code><span id="TYPEvalue"><span class="keyword">type</span> <code class="type"></code>value</span> = </code></pre><table class="typetable">
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTvalue.Bool"><span class="constructor">Bool</span></span> <span class="keyword">of</span> <code class="type">bool</code></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTvalue.Int"><span class="constructor">Int</span></span> <span class="keyword">of</span> <code class="type">int</code></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTvalue.String"><span class="constructor">String</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTvalue.Symbol"><span class="constructor">Symbol</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTvalue.Ident"><span class="constructor">Ident</span></span> <span class="keyword">of</span> <code class="type">string</code></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTvalue.List"><span class="constructor">List</span></span> <span class="keyword">of</span> <code class="type"><a href="File_format.html#TYPEvalue">value</a> list</code></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTvalue.Group"><span class="constructor">Group</span></span> <span class="keyword">of</span> <code class="type"><a href="File_format.html#TYPEvalue">value</a> list</code></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTvalue.Option"><span class="constructor">Option</span></span> <span class="keyword">of</span> <code class="type"><a href="File_format.html#TYPEvalue">value</a> * <a href="File_format.html#TYPEvalue">value</a> list</code></code></td>
</tr></table>
<div class="info">
Base values<br>
</div>
<pre><code><span id="TYPEsection"><span class="keyword">type</span> <code class="type"></code>section</span> = {</code></pre><table class="typetable">
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTsection.kind">kind</span> :<code class="type">string</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTsection.name">name</span> :<code class="type">string</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTsection.items">items</span> :<code class="type"><a href="File_format.html#TYPEitem">item</a> list</code>;</code></td>
</tr></table>
}
<div class="info">
A file section<br>
</div>
<pre><code><span id="TYPEitem"><span class="keyword">type</span> <code class="type"></code>item</span> = </code></pre><table class="typetable">
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTitem.Section"><span class="constructor">Section</span></span> <span class="keyword">of</span> <code class="type"><a href="File_format.html#TYPEsection">section</a></code></code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTitem.Variable"><span class="constructor">Variable</span></span> <span class="keyword">of</span> <code class="type">string * <a href="File_format.html#TYPEvalue">value</a></code></code></td>
</tr></table>
<div class="info">
A file is composed of sections and variable definitions<br>
</div>
<pre><code><span id="TYPEfile"><span class="keyword">type</span> <code class="type"></code>file</span> = {</code></pre><table class="typetable">
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTfile.contents">contents</span> :<code class="type"><a href="File_format.html#TYPEitem">item</a> list</code>;</code></td>
</tr>
<tr>
<td align="left" valign="top" >
<code> </code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTfile.filename">filename</span> :<code class="type">string</code>;</code></td>
</tr></table>
}
<div class="info">
A file is a list of items and the filename<br>
</div>
<pre><span id="VALempty"><span class="keyword">val</span> empty</span> : <code class="type"><a href="File_format.html#TYPEfile">file</a></code></pre><div class="info">
The empty file<br>
</div>
<pre><span id="VALvariables"><span class="keyword">val</span> variables</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> (string * <a href="File_format.html#TYPEvalue">value</a>) list</code></pre><div class="info">
Get all the variable definitions from a list of items<br>
</div>
<pre><span id="VALsections"><span class="keyword">val</span> sections</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> (string * <a href="File_format.html#TYPEsection">section</a>) list</code></pre><div class="info">
Get all the sections from a list of items<br>
</div>
<pre><span id="VALis_valid"><span class="keyword">val</span> is_valid</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string list -> bool</code></pre><div class="info">
Check whether a list of items contains only valid variable definitions<br>
</div>
<pre><span id="VALinvalid_fields"><span class="keyword">val</span> invalid_fields</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string list -> string list</code></pre><div class="info">
Find all the invalid fields<br>
</div>
<br>
<span id="2_Parsingfunctions"><h2>Parsing functions</h2></span><br>
<pre><span id="EXCEPTIONBad_format"><span class="keyword">exception</span> Bad_format</span> <span class="keyword">of</span> <code class="type">string</code></pre>
<div class="info">
All the following parsing function raise <code class="code">Bad_format</code> in case the
input does not have the right format.<br>
</div>
<pre><span id="VALparse_bool"><span class="keyword">val</span> parse_bool</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> bool</code></pre><div class="info">
Parse a boolean<br>
</div>
<pre><span id="VALparse_int"><span class="keyword">val</span> parse_int</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> int</code></pre><div class="info">
Parse an integer<br>
</div>
<pre><span id="VALparse_ident"><span class="keyword">val</span> parse_ident</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> string</code></pre><div class="info">
Parse an ident<br>
</div>
<pre><span id="VALparse_symbol"><span class="keyword">val</span> parse_symbol</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> string</code></pre><div class="info">
Parse a symbol<br>
</div>
<pre><span id="VALparse_string"><span class="keyword">val</span> parse_string</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> string</code></pre><div class="info">
Parse a string<br>
</div>
<pre><span id="VALparse_list"><span class="keyword">val</span> parse_list</span> : <code class="type">(<a href="File_format.html#TYPEvalue">value</a> -> 'a) -> <a href="File_format.html#TYPEvalue">value</a> -> 'a list</code></pre><div class="info">
Parse a list of 'things'<br>
</div>
<pre><span id="VALparse_group"><span class="keyword">val</span> parse_group</span> : <code class="type">(<a href="File_format.html#TYPEvalue">value</a> -> 'a) -> <a href="File_format.html#TYPEvalue">value</a> -> 'a list</code></pre><div class="info">
Parse a group of 'things'<br>
</div>
<pre><span id="VALparse_option"><span class="keyword">val</span> parse_option</span> : <code class="type">(<a href="File_format.html#TYPEvalue">value</a> -> 'a) -><br> (<a href="File_format.html#TYPEvalue">value</a> -> 'b) -> <a href="File_format.html#TYPEvalue">value</a> -> 'a * 'b list</code></pre><div class="info">
Parse a value and its option of 'things'<br>
</div>
<pre><span id="VALparse_single_option"><span class="keyword">val</span> parse_single_option</span> : <code class="type">(<a href="File_format.html#TYPEvalue">value</a> -> 'a) -><br> (<a href="File_format.html#TYPEvalue">value</a> -> 'b) -> <a href="File_format.html#TYPEvalue">value</a> -> 'a * 'b option</code></pre><div class="info">
Parse a value and a single optional value<br>
</div>
<pre><span id="VALparse_string_option"><span class="keyword">val</span> parse_string_option</span> : <code class="type">(<a href="File_format.html#TYPEvalue">value</a> list -> 'a) -> <a href="File_format.html#TYPEvalue">value</a> -> string * 'a option</code></pre><div class="info">
Parse a string with an optional argument<br>
</div>
<pre><span id="VALparse_string_list"><span class="keyword">val</span> parse_string_list</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> string list</code></pre><div class="info">
Parse a list of strings<br>
</div>
<pre><span id="VALparse_single_string"><span class="keyword">val</span> parse_single_string</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> list -> string</code></pre><div class="info">
Parse a single string<br>
</div>
<pre><span id="VALparse_string_pair"><span class="keyword">val</span> parse_string_pair</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> string * string</code></pre><div class="info">
Parse a pair of strings<br>
</div>
<pre><span id="VALparse_string_pair_of_list"><span class="keyword">val</span> parse_string_pair_of_list</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> list -> string * string</code></pre><div class="info">
Parse a pair of strings from a list of values<br>
</div>
<pre><span id="VALparse_or"><span class="keyword">val</span> parse_or</span> : <code class="type">(string * (<a href="File_format.html#TYPEvalue">value</a> -> 'a)) list -> <a href="File_format.html#TYPEvalue">value</a> -> 'a</code></pre><div class="info">
Try to parse the value using function from the list. All the
parsing functions are tried until one succeeds. The first argument
is a debug message.<br>
</div>
<pre><span id="VALparse_sequence"><span class="keyword">val</span> parse_sequence</span> : <code class="type">(string * (<a href="File_format.html#TYPEvalue">value</a> -> 'a)) list -> <a href="File_format.html#TYPEvalue">value</a> -> 'a list</code></pre><div class="info">
Parse a sequence of values<br>
</div>
<br>
<span id="2_Creationfunctions"><h2>Creation functions</h2></span><br>
<pre><span id="VALmake_bool"><span class="keyword">val</span> make_bool</span> : <code class="type">bool -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create a boolean<br>
</div>
<pre><span id="VALmake_int"><span class="keyword">val</span> make_int</span> : <code class="type">int -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create an integer<br>
</div>
<pre><span id="VALmake_ident"><span class="keyword">val</span> make_ident</span> : <code class="type">string -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create an ident<br>
</div>
<pre><span id="VALmake_symbol"><span class="keyword">val</span> make_symbol</span> : <code class="type">string -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create a symbol<br>
</div>
<pre><span id="VALmake_string"><span class="keyword">val</span> make_string</span> : <code class="type">string -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create a string<br>
</div>
<pre><span id="VALmake_list"><span class="keyword">val</span> make_list</span> : <code class="type">('a -> <a href="File_format.html#TYPEvalue">value</a>) -> 'a list -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create a list of 'things'<br>
</div>
<pre><span id="VALmake_group"><span class="keyword">val</span> make_group</span> : <code class="type">('a -> <a href="File_format.html#TYPEvalue">value</a>) -> 'a list -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create a group of 'things'<br>
</div>
<pre><span id="VALmake_option"><span class="keyword">val</span> make_option</span> : <code class="type">('a -> <a href="File_format.html#TYPEvalue">value</a>) -><br> ('b -> <a href="File_format.html#TYPEvalue">value</a>) -> 'a * 'b list -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create a value and its optional arguments<br>
</div>
<pre><span id="VALmake_pair"><span class="keyword">val</span> make_pair</span> : <code class="type">('a -> <a href="File_format.html#TYPEvalue">value</a>) -> 'a * 'a -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create a pair<br>
</div>
<pre><span id="VALmake_string_pair"><span class="keyword">val</span> make_string_pair</span> : <code class="type">string * string -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Create a pair of strings<br>
</div>
<br>
<span id="2_Printingfunctions"><h2>Printing functions</h2></span><br>
<pre><span id="VALforce_newline"><span class="keyword">val</span> force_newline</span> : <code class="type">(unit -> 'a) -> 'a</code></pre><div class="info">
Apply the given printer function
by putting a newline between every element of every list<br>
</div>
<pre><span id="VALstring_of_value"><span class="keyword">val</span> string_of_value</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> string</code></pre><div class="info">
Print a value<br>
</div>
<pre><span id="VALstring_of_values"><span class="keyword">val</span> string_of_values</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> list -> string</code></pre><div class="info">
Print a list of values<br>
</div>
<pre><span id="VALstring_of_item"><span class="keyword">val</span> string_of_item</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> -> string option</code></pre><div class="info">
Print an item<br>
</div>
<pre><span id="VALstring_of_items"><span class="keyword">val</span> string_of_items</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string</code></pre><div class="info">
Print a list of items<br>
</div>
<pre><span id="VALstring_of_file"><span class="keyword">val</span> string_of_file</span> : <code class="type"><a href="File_format.html#TYPEfile">file</a> -> string</code></pre><div class="info">
Print a file<br>
</div>
<br>
<span id="2_Findingfunctions"><h2>Finding functions</h2></span><br>
<pre><span id="VALassoc"><span class="keyword">val</span> assoc</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string -> (<a href="File_format.html#TYPEvalue">value</a> -> 'a) -> 'a</code></pre><div class="info">
Get the value of a field<br>
</div>
<pre><span id="VALassoc_option"><span class="keyword">val</span> assoc_option</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string -> (<a href="File_format.html#TYPEvalue">value</a> -> 'a) -> 'a option</code></pre><div class="info">
Get the value of a field. If the field does not exist, return
None<br>
</div>
<pre><span id="VALassoc_default"><span class="keyword">val</span> assoc_default</span> : <code class="type">'a -> <a href="File_format.html#TYPEitem">item</a> list -> string -> (<a href="File_format.html#TYPEvalue">value</a> -> 'a) -> 'a</code></pre><div class="info">
Get the value of a field. If the variable does not exist, return a
default value<br>
</div>
<pre><span id="VALassoc_list"><span class="keyword">val</span> assoc_list</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string -> (<a href="File_format.html#TYPEvalue">value</a> -> 'a list) -> 'a list</code></pre><div class="info">
Get the value associated to a variable. If the variable does not
exists, return []<br>
</div>
<pre><span id="VALassoc_string_list"><span class="keyword">val</span> assoc_string_list</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string -> string list</code></pre><div class="info">
Get the string list associated to a variable. If the variable does
not exist, return []<br>
</div>
<pre><span id="VALget_section_by_kind"><span class="keyword">val</span> get_section_by_kind</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string -> <a href="File_format.html#TYPEsection">section</a></code></pre><div class="info">
Get one section of a certain kind<br>
</div>
<pre><span id="VALget_all_section_by_kind"><span class="keyword">val</span> get_all_section_by_kind</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string -> <a href="File_format.html#TYPEsection">section</a> list</code></pre><div class="info">
Get all the sections of a certain kind<br>
</div>
<pre><span id="VALassoc_sections"><span class="keyword">val</span> assoc_sections</span> : <code class="type"><a href="File_format.html#TYPEitem">item</a> list -> string -> (<a href="File_format.html#TYPEsection">section</a> -> 'a) -> 'a list</code></pre><div class="info">
Get sections<br>
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<br>
<span id="2_Formula"><h2>Formula</h2></span><br>
<br>
This section is dedicated to the parsing and creatin of dependency
and conflict formaulas. It's maybe easier to do that directly in
the parser ...<br>
<pre><span id="VALparse_and_formula"><span class="keyword">val</span> parse_and_formula</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> <a href="Types.html#TYPEand_formula">Types.and_formula</a></code></pre><div class="info">
Parse an AND formala such as
<code class="code">"foo", "bar" (<"1", >"2"), "aa" </code><br>
</div>
<pre><span id="VALparse_cnf_formula"><span class="keyword">val</span> parse_cnf_formula</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> <a href="Types.html#TYPEcnf_formula">Types.cnf_formula</a></code></pre><div class="info">
Parse an CNF formula (which contains only inlevel OR) such as
<code class="code">"foo" ("bar"(<"1") | "bar" (>"2"))</code><br>
</div>
<pre><span id="VALmake_and_formula"><span class="keyword">val</span> make_and_formula</span> : <code class="type"><a href="Types.html#TYPEand_formula">Types.and_formula</a> -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Build an AND formula<br>
</div>
<pre><span id="VALmake_cnf_formula"><span class="keyword">val</span> make_cnf_formula</span> : <code class="type"><a href="Types.html#TYPEcnf_formula">Types.cnf_formula</a> -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Build a CNF formula<br>
</div>
<pre><span id="VALparse_constraint"><span class="keyword">val</span> parse_constraint</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> <a href="Types.html#TYPEocaml_constraint">Types.ocaml_constraint</a></code></pre><div class="info">
Parse a simple constraint<br>
</div>
<pre><span id="VALmake_constraint"><span class="keyword">val</span> make_constraint</span> : <code class="type"><a href="Types.html#TYPEocaml_constraint">Types.ocaml_constraint</a> -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Build a simple constraint<br>
</div>
<br>
<span id="2_Environmentvariables"><h2>Environment variables</h2></span><br>
<pre><span id="VALparse_env_variable"><span class="keyword">val</span> parse_env_variable</span> : <code class="type"><a href="File_format.html#TYPEvalue">value</a> -> string * string * string</code></pre><div class="info">
Parsing<br>
</div>
<pre><span id="VALmake_env_variable"><span class="keyword">val</span> make_env_variable</span> : <code class="type">string * string * string -> <a href="File_format.html#TYPEvalue">value</a></code></pre><div class="info">
Making<br>
</div>
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