1 /*****************************************************************************/
5 /* Command line attributes */
9 /* (C) 2012, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
46 /*****************************************************************************/
48 /*****************************************************************************/
52 /* Attribute structure */
53 typedef struct Attr Attr;
55 char* Name; /* Attribute name - points into Value */
56 char Value[1]; /* Attribute value followed by Name */
61 /*****************************************************************************/
63 /*****************************************************************************/
67 Attr* NewAttr (const char* Name, const char* Value);
68 /* Create a new attribute */
70 void FreeAttr (Attr* A);
71 /* Free an attribute structure */
73 void DumpAttrColl (const Collection* C);
74 /* Dump a collection of attribute/value pairs for debugging */
76 int FindAttr (const Collection* C, const char* Name, unsigned* Index);
77 /* Search for an attribute with the given name in the collection. If it is
78 ** found, the function returns true and Index contains the index of the
79 ** entry. If Name isn't found, the function returns false and Index
80 ** will contain the insert position.
83 const Attr* GetAttr (const Collection* C, const char* Name);
84 /* Search for an attribute with the given name and return it. The function
85 ** returns NULL if the attribute wasn't found.
88 const Attr* NeedAttr (const Collection* C, const char* Name, const char* Op);
89 /* Search for an attribute with the given name and return it. If the attribute
90 ** is not found, the function terminates with an error using Op as additional
91 ** context in the error message.
94 const char* GetAttrVal (const Collection* C, const char* Name);
95 /* Search for an attribute with the given name and return its value. The
96 ** function returns NULL if the attribute wasn't found.
99 const char* NeedAttrVal (const Collection* C, const char* Name, const char* Op);
100 /* Search for an attribute with the given name and return its value. If the
101 ** attribute wasn't not found, the function terminates with an error using
102 ** Op as additional context in the error message.
105 void AddAttr (Collection* C, const char* Name, const char* Value);
106 /* Add an attribute to an alphabetically sorted attribute collection */
108 void SplitAddAttr (Collection* C, const char* Combined, const char* Name);
109 /* Split a combined name/value pair and add it as an attribute to C. Some
110 ** attributes may not need a name. If the name is missing, use Name. If
111 ** Name is NULL, terminate with an error.
114 Collection* ParseAttrList (const char* List, const char** NameList, unsigned NameCount);
115 /* Parse a list containing name/value pairs into a sorted collection. Some
116 ** attributes may not need a name, so NameList contains these names. If there
117 ** were no errors, the function returns a alphabetically sorted collection
118 ** containing Attr entries.
121 void FreeAttrList (Collection* C);
122 /* Free a list of attributes */