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1.1 root 1: /*
2: * Commandline option parsing functions
3: *
4: * Copyright (c) 2003-2008 Fabrice Bellard
5: * Copyright (c) 2009 Kevin Wolf <[email protected]>
6: *
7: * Permission is hereby granted, free of charge, to any person obtaining a copy
8: * of this software and associated documentation files (the "Software"), to deal
9: * in the Software without restriction, including without limitation the rights
10: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11: * copies of the Software, and to permit persons to whom the Software is
12: * furnished to do so, subject to the following conditions:
13: *
14: * The above copyright notice and this permission notice shall be included in
15: * all copies or substantial portions of the Software.
16: *
17: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23: * THE SOFTWARE.
24: */
25:
26: #ifndef QEMU_OPTIONS_H
27: #define QEMU_OPTIONS_H
28:
1.1.1.2 root 29: #include <stdint.h>
30: #include "qemu-queue.h"
1.1.1.3 ! root 31: #include "qdict.h"
1.1.1.2 root 32:
1.1 root 33: enum QEMUOptionParType {
34: OPT_FLAG,
35: OPT_NUMBER,
36: OPT_SIZE,
37: OPT_STRING,
38: };
39:
40: typedef struct QEMUOptionParameter {
41: const char *name;
42: enum QEMUOptionParType type;
43: union {
44: uint64_t n;
45: char* s;
46: } value;
47: const char *help;
48: } QEMUOptionParameter;
49:
50:
51: const char *get_opt_name(char *buf, int buf_size, const char *p, char delim);
52: const char *get_opt_value(char *buf, int buf_size, const char *p);
1.1.1.2 root 53: int get_next_param_value(char *buf, int buf_size,
54: const char *tag, const char **pstr);
55: int get_param_value(char *buf, int buf_size,
56: const char *tag, const char *str);
57: int check_params(char *buf, int buf_size,
58: const char * const *params, const char *str);
1.1 root 59:
60:
61: /*
62: * The following functions take a parameter list as input. This is a pointer to
63: * the first element of a QEMUOptionParameter array which is terminated by an
64: * entry with entry->name == NULL.
65: */
66:
67: QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list,
68: const char *name);
69: int set_option_parameter(QEMUOptionParameter *list, const char *name,
70: const char *value);
71: int set_option_parameter_int(QEMUOptionParameter *list, const char *name,
72: uint64_t value);
1.1.1.3 ! root 73: QEMUOptionParameter *append_option_parameters(QEMUOptionParameter *dest,
! 74: QEMUOptionParameter *list);
1.1 root 75: QEMUOptionParameter *parse_option_parameters(const char *param,
76: QEMUOptionParameter *list, QEMUOptionParameter *dest);
77: void free_option_parameters(QEMUOptionParameter *list);
78: void print_option_parameters(QEMUOptionParameter *list);
79: void print_option_help(QEMUOptionParameter *list);
80:
1.1.1.2 root 81: /* ------------------------------------------------------------------ */
82:
83: typedef struct QemuOpt QemuOpt;
84: typedef struct QemuOpts QemuOpts;
85: typedef struct QemuOptsList QemuOptsList;
86:
87: enum QemuOptType {
88: QEMU_OPT_STRING = 0, /* no parsing (use string as-is) */
89: QEMU_OPT_BOOL, /* on/off */
90: QEMU_OPT_NUMBER, /* simple number */
91: QEMU_OPT_SIZE, /* size, accepts (K)ilo, (M)ega, (G)iga, (T)era postfix */
92: };
93:
94: typedef struct QemuOptDesc {
95: const char *name;
96: enum QemuOptType type;
97: const char *help;
98: } QemuOptDesc;
99:
100: struct QemuOptsList {
101: const char *name;
1.1.1.3 ! root 102: const char *implied_opt_name;
1.1.1.2 root 103: QTAILQ_HEAD(, QemuOpts) head;
104: QemuOptDesc desc[];
105: };
106:
107: const char *qemu_opt_get(QemuOpts *opts, const char *name);
108: int qemu_opt_get_bool(QemuOpts *opts, const char *name, int defval);
109: uint64_t qemu_opt_get_number(QemuOpts *opts, const char *name, uint64_t defval);
110: uint64_t qemu_opt_get_size(QemuOpts *opts, const char *name, uint64_t defval);
111: int qemu_opt_set(QemuOpts *opts, const char *name, const char *value);
112: typedef int (*qemu_opt_loopfunc)(const char *name, const char *value, void *opaque);
113: int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
114: int abort_on_failure);
115:
116: QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id);
117: QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id, int fail_if_exists);
1.1.1.3 ! root 118: void qemu_opts_reset(QemuOptsList *list);
! 119: void qemu_opts_loc_restore(QemuOpts *opts);
1.1.1.2 root 120: int qemu_opts_set(QemuOptsList *list, const char *id,
121: const char *name, const char *value);
122: const char *qemu_opts_id(QemuOpts *opts);
123: void qemu_opts_del(QemuOpts *opts);
1.1.1.3 ! root 124: int qemu_opts_validate(QemuOpts *opts, const QemuOptDesc *desc);
1.1.1.2 root 125: int qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname);
1.1.1.3 ! root 126: QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, int permit_abbrev);
! 127: QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict);
! 128: QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict);
1.1.1.2 root 129:
130: typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque);
131: int qemu_opts_print(QemuOpts *opts, void *dummy);
132: int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void *opaque,
133: int abort_on_failure);
134:
1.1 root 135: #endif
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