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 /*****************************************************************************/
55 afInt, /* Integer number */
57 typedef enum AttrFlags AttrFlags;
60 typedef struct Attr Attr;
62 AttrFlags Flags; /* Attribute flags */
63 char* Name; /* Attribute name */
64 char Value[1]; /* Attribute value */
69 /*****************************************************************************/
71 /*****************************************************************************/
75 Attr* NewAttr (const char* Name, const char* Value);
76 /* Create a new attribute */
78 void FreeAttr (Attr* A);
79 /* Free an attribute structure */
81 void DumpAttrColl (const Collection* C);
82 /* Dump a collection of attribute/value pairs for debugging */
84 int FindAttr (const Collection* C, const char* Name, unsigned* Index);
85 /* Search for an attribute with the given name in the collection. If it is
86 * found, the function returns true and Index contains the index of the
87 * entry. If Name isn't found, the function returns false and Index
88 * will contain the insert position.
91 const Attr* GetAttr (const Collection* C, const char* Name);
92 /* Search for an attribute with the given name and return it. The function
93 * returns NULL if the attribute wasn't found.
96 const Attr* NeedAttr (const Collection* C, const char* Name, const char* Op);
97 /* Search for an attribute with the given name and return it. If the attribute
98 * is not found, the function terminates with an error using Op as additional
99 * context in the error message.
102 const char* GetAttrVal (const Collection* C, const char* Name);
103 /* Search for an attribute with the given name and return its value. The
104 * function returns NULL if the attribute wasn't found.
107 const char* NeedAttrVal (const Collection* C, const char* Name, const char* Op);
108 /* Search for an attribute with the given name and return its value. If the
109 * attribute wasn't not found, the function terminates with an error using
110 * Op as additional context in the error message.
113 void AddAttr (Collection* C, const char* Name, const char* Value);
114 /* Add an attribute to an alphabetically sorted attribute collection */
116 void SplitAddAttr (Collection* C, const char* Combined, const char* Name);
117 /* Split a combined name/value pair and add it as an attribute to C. Some
118 * attributes may not need a name. If the name is missing, use Name. If
119 * Name is NULL, terminate with an error.
122 Collection* ParseAttrList (const char* List, const char** NameList, unsigned NameCount);
123 /* Parse a list containing name/value pairs into a sorted collection. Some
124 * attributes may not need a name, so NameList contains these names. If there
125 * were no errors, the function returns a alphabetically sorted collection
126 * containing Attr entries.
129 void FreeAttrList (Collection* C);
130 /* Free a list of attributes */