Mercurial > repos > blastem
annotate config.c @ 1526:9bea1a199f15 nuklear_ui
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author | Michael Pavone <pavone@retrodev.com> |
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date | Wed, 07 Feb 2018 19:21:44 -0800 |
parents | 637fbc3b5063 |
children | e94cff9cb625 |
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1 /* |
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2 Copyright 2013 Michael Pavone |
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3 This file is part of BlastEm. |
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. |
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5 */ |
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6 #include "tern.h" |
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7 #include "util.h" |
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8 #include "paths.h" |
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9 #include <stdio.h> |
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10 #include <stdlib.h> |
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11 #include <string.h> |
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12 |
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13 #ifdef __MINGW64_VERSION_MAJOR |
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14 #define MINGW_W64_VERSION (__MINGW64_VERSION_MAJOR * 1000 + __MINGW64_VERSION_MINOR) |
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15 #else |
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16 #define MINGW_W64_VERSION 0 |
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17 #endif |
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18 |
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19 #if defined(_WIN32) && (MINGW_W64_VERSION < 3003) |
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20 char * strtok_r(char * input, char * sep, char ** state) |
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21 { |
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22 if (input) { |
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23 *state = input; |
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24 } |
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25 char * ret = *state; |
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26 while (**state && **state != *sep) |
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27 { |
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28 ++*state; |
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29 } |
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30 if (**state) |
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31 { |
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32 **state = 0; |
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33 ++*state; |
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34 return ret; |
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35 } |
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36 return NULL; |
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37 } |
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38 #endif |
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39 |
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40 static tern_node * parse_config_int(char **state, int started, int *line) |
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41 { |
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42 char *config_data, *curline; |
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43 tern_node * head = NULL; |
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44 config_data = started ? NULL : *state; |
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45 while ((curline = strtok_r(config_data, "\n", state))) |
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46 { |
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47 |
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48 config_data = NULL; |
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49 curline = strip_ws(curline); |
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50 int len = strlen(curline); |
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51 if (!len) { |
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52 *line = *line + 1; |
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53 continue; |
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54 } |
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55 if (curline[0] == '#') { |
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56 *line = *line + 1; |
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57 continue; |
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58 } |
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59 if (curline[0] == '}') { |
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60 if (started) { |
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61 return head; |
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62 } |
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63 fatal_error("unexpected } on line %d\n", *line); |
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64 } |
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65 |
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66 char * end = curline + len - 1; |
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67 if (*end == '{') { |
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68 *end = 0; |
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69 curline = strip_ws(curline); |
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70 *line = *line + 1; |
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71 head = tern_insert_node(head, curline, parse_config_int(state, 1, line)); |
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72 } else { |
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73 char * val = strip_ws(split_keyval(curline)); |
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74 char * key = curline; |
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75 if (*val) { |
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76 head = tern_insert_ptr(head, key, strdup(val)); |
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77 } else { |
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78 fprintf(stderr, "Key %s is missing a value on line %d\n", key, *line); |
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79 } |
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80 *line = *line + 1; |
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81 } |
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82 } |
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83 return head; |
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84 } |
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85 |
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86 tern_node *parse_config(char * config_data) |
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87 { |
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88 int line = 1; |
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89 return parse_config_int(&config_data, 0, &line); |
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90 } |
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91 |
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92 typedef struct { |
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93 char *buf; |
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94 uint32_t capacity; |
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95 uint32_t size; |
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96 uint32_t indent; |
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97 } serialize_state; |
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98 |
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99 static void ensure_buf_capacity(uint32_t ensure, serialize_state *state) |
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100 { |
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101 if (ensure + state->size > state->capacity) { |
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102 state->capacity = state->capacity * 2; |
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103 state->buf = realloc(state->buf, state->capacity); |
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104 } |
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105 } |
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106 |
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107 static void indent(serialize_state *state) |
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108 { |
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109 memset(state->buf + state->size, '\t', state->indent); |
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110 state->size += state->indent; |
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111 } |
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112 |
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113 static void serialize_config_int(tern_node *config, serialize_state *state); |
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114 |
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115 static void serialize_iter(char *key, tern_val val, uint8_t valtype, void *data) |
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116 { |
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117 serialize_state *state = data; |
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118 uint32_t keylen = strlen(key); |
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119 uint32_t vallen = 0; |
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120 if (valtype == TVAL_PTR) { |
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121 vallen = strlen(val.ptrval); |
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diff
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|
122 } |
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diff
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|
123 ensure_buf_capacity(state->indent + keylen + 2 + vallen, state); |
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diff
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|
124 state->buf[state->size++] = '\n'; |
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diff
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|
125 indent(state); |
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parents:
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diff
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|
126 memcpy(state->buf + state->size, key, keylen); |
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diff
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|
127 state->size += keylen; |
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diff
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|
128 state->buf[state->size++] = ' '; |
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diff
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|
129 if (valtype == TVAL_PTR) { |
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Added code to persist config back to a file
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diff
changeset
|
130 memcpy(state->buf + state->size, val.ptrval, vallen); |
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Added code to persist config back to a file
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diff
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|
131 state->size += vallen; |
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diff
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|
132 } else { |
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parents:
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diff
changeset
|
133 serialize_config_int(val.ptrval, state); |
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Added code to persist config back to a file
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diff
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|
134 } |
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parents:
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diff
changeset
|
135 } |
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
136 |
637fbc3b5063
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Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
137 static void serialize_config_int(tern_node *config, serialize_state *state) |
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parents:
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diff
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|
138 { |
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Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
139 ensure_buf_capacity(1, state); |
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Added code to persist config back to a file
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diff
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|
140 state->buf[state->size++] = '{'; |
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Added code to persist config back to a file
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diff
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|
141 state->indent++; |
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parents:
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diff
changeset
|
142 |
637fbc3b5063
Added code to persist config back to a file
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diff
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|
143 tern_foreach(config, serialize_iter, state); |
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diff
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|
144 |
637fbc3b5063
Added code to persist config back to a file
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diff
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|
145 --state->indent; |
637fbc3b5063
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parents:
1485
diff
changeset
|
146 ensure_buf_capacity(2 + state->indent, state); |
637fbc3b5063
Added code to persist config back to a file
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diff
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|
147 state->buf[state->size++] = '\n'; |
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diff
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|
148 indent(state); |
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Added code to persist config back to a file
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diff
changeset
|
149 state->buf[state->size++] = '}'; |
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Added code to persist config back to a file
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|
150 } |
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diff
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|
151 |
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diff
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|
152 char *serialize_config(tern_node *config, uint32_t *size_out) |
637fbc3b5063
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diff
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|
153 { |
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diff
changeset
|
154 serialize_state state = { |
637fbc3b5063
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diff
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|
155 .size = 0, |
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diff
changeset
|
156 .capacity = 1024, |
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diff
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|
157 .indent = 0 |
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Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
158 }; |
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parents:
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diff
changeset
|
159 state.buf = malloc(state.capacity); |
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1485
diff
changeset
|
160 tern_foreach(config, serialize_iter, &state); |
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Added code to persist config back to a file
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diff
changeset
|
161 //serialize_config_int(config, &state); |
637fbc3b5063
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diff
changeset
|
162 *size_out = state.size; |
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diff
changeset
|
163 return state.buf; |
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Michael Pavone <pavone@retrodev.com>
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diff
changeset
|
164 } |
637fbc3b5063
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diff
changeset
|
165 |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
166 tern_node *parse_config_file(char *config_path) |
430
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
167 { |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
168 tern_node * ret = NULL; |
816
7ed55a361e79
Use binary mode for reading shaders and config files so we actually get the number of bytes we expect
Michael Pavone <pavone@retrodev.com>
parents:
799
diff
changeset
|
169 FILE * config_file = fopen(config_path, "rb"); |
430
7f84090ab1cd
Add config file parser and default config file
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parents:
diff
changeset
|
170 if (!config_file) { |
7f84090ab1cd
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Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
171 goto open_fail; |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
172 } |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
173 long config_size = file_size(config_file); |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
174 if (!config_size) { |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
175 goto config_empty; |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
176 } |
796
41f73c76b978
Fix some memory issues
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents:
795
diff
changeset
|
177 char * config_data = malloc(config_size+1); |
430
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
178 if (fread(config_data, 1, config_size, config_file) != config_size) { |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
179 goto config_read_fail; |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
180 } |
796
41f73c76b978
Fix some memory issues
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents:
795
diff
changeset
|
181 config_data[config_size] = '\0'; |
41f73c76b978
Fix some memory issues
=?UTF-8?q?Higor=20Eur=C3=ADpedes?= <heuripedes@gmail.com>
parents:
795
diff
changeset
|
182 |
430
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
183 ret = parse_config(config_data); |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
184 config_read_fail: |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
185 free(config_data); |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
186 config_empty: |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
187 fclose(config_file); |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
188 open_fail: |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
189 return ret; |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
190 } |
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
191 |
1489
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
192 uint8_t serialize_config_file(tern_node *config, char *path) |
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
193 { |
637fbc3b5063
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Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
194 FILE *f = fopen(path, "w"); |
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Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
195 if (!f) { |
637fbc3b5063
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Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
196 return 0; |
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
197 } |
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
198 uint32_t buf_size; |
637fbc3b5063
Added code to persist config back to a file
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parents:
1485
diff
changeset
|
199 char *buffer = serialize_config(config, &buf_size); |
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
200 uint8_t ret = buf_size == fwrite(buffer, 1, buf_size, f); |
637fbc3b5063
Added code to persist config back to a file
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parents:
1485
diff
changeset
|
201 fclose(f); |
637fbc3b5063
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Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
202 return ret; |
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
203 } |
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
204 |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
205 tern_node *parse_bundled_config(char *config_name) |
859
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
206 { |
1140
4490c9c12272
Detect system type from filename if header based methods fail. Allow overriding system type from command line.
Michael Pavone <pavone@retrodev.com>
parents:
876
diff
changeset
|
207 uint32_t confsize; |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
208 char *confdata = read_bundled_file(config_name, &confsize); |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
209 tern_node *ret = NULL; |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
210 if (confdata) { |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
211 confdata[confsize] = 0; |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
212 ret = parse_config(confdata); |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
213 free(confdata); |
859
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
214 } |
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
215 return ret; |
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
216 } |
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
217 |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
218 tern_node *load_config() |
859
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
219 { |
876
540cc4a7d626
Fix Android build breakage
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
220 char const *confdir = get_config_dir(); |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
221 char *confpath = NULL; |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
222 tern_node *ret; |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
223 if (confdir) { |
1489
637fbc3b5063
Added code to persist config back to a file
Michael Pavone <pavone@retrodev.com>
parents:
1485
diff
changeset
|
224 confpath = path_append(confdir, "blastem.cfg"); |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
225 ret = parse_config_file(confpath); |
859
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
226 if (ret) { |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
227 free(confpath); |
859
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
228 return ret; |
46bb673eed4e
Load config file and rom.db from appropriate locations on Android
Michael Pavone <pavone@retrodev.com>
parents:
816
diff
changeset
|
229 } |
430
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
230 } |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
231 |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
232 ret = parse_bundled_config("default.cfg"); |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
233 if (ret) { |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
234 free(confpath); |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
235 return ret; |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
236 } |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
237 |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
238 if (confpath) { |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
239 fatal_error("Failed to find a config file at %s or in the blastem executable directory\n", confpath); |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
240 } else { |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
241 fatal_error("Failed to find a config file in the BlastEm executable directory and the config directory path could not be determined\n"); |
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
242 } |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
766
diff
changeset
|
243 //this will never get reached, but the compiler doesn't know that. Let's make it happy |
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244 return NULL; |
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245 } |
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246 |
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247 void persist_config(tern_node *config) |
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248 { |
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249 char const *confdir = get_config_dir(); |
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250 if (!confdir) { |
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251 fatal_error("Failed to locate config file directory\n"); |
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252 } |
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253 char *confpath = path_append(confdir, "blastem.cfg"); |
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254 if (!serialize_config_file(config, confpath)) { |
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255 fatal_error("Failed to write config to %s\n", confpath); |
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256 } |
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257 free(confpath); |
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258 } |
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259 |
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260 char **get_extension_list(tern_node *config, uint32_t *num_exts_out) |
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261 { |
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262 char *ext_filter = strdup(tern_find_path_default(config, "ui\0extensions\0", (tern_val){.ptrval = "bin gen md smd sms gg"}, TVAL_PTR).ptrval); |
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263 uint32_t num_exts = 0, ext_storage = 5; |
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264 char **ext_list = malloc(sizeof(char *) * ext_storage); |
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265 char *cur_filter = ext_filter; |
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266 while (*cur_filter) |
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267 { |
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268 if (num_exts == ext_storage) { |
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269 ext_storage *= 2; |
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270 ext_list = realloc(ext_list, sizeof(char *) * ext_storage); |
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271 } |
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272 ext_list[num_exts++] = cur_filter; |
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273 cur_filter = split_keyval(cur_filter); |
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274 } |
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275 free(ext_filter); |
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276 *num_exts_out = num_exts; |
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277 return ext_list; |
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278 } |