65 lines
2 KiB
C
65 lines
2 KiB
C
#include "config.h"
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sat_config_ptr sat_config_scoped_scope_to(sat_config_ptr ctx, char *prefix) {
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sat_config_scoped_ptr info = (sat_config_scoped_ptr)ctx->info;
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int pfxLength = strlen(prefix);
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bool appendColon = prefix[pfxLength - 1] != ':';
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int length = strlen(info->prefix) + pfxLength + 1;
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if(appendColon) length += 1;
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char *newPrefix = malloc(length);
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memset(newPrefix, 0, length);
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strcat(newPrefix, info->prefix);
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strcat(newPrefix, prefix);
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if(appendColon) strcat(newPrefix, ":");
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sat_config_ptr scoped = sat_config_alloc_scoped();
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sat_config_scoped_ptr scopedInfo = (sat_config_scoped_ptr)scoped->info;
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scopedInfo->parent = info->parent;
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scopedInfo->prefix = newPrefix;
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return scoped;
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}
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char* sat_config_scoped_read_value(sat_config_ptr ctx, char *name, char *fallback) {
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sat_config_scoped_ptr info = (sat_config_scoped_ptr)ctx->info;
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int length = strlen(info->prefix) + strlen(name) + 1;
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char *realName = malloc(strlen(info->prefix) + strlen(name) + 1);
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memset(realName, 0, length);
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strcat(realName, info->prefix);
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strcat(realName, name);
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char *value = sat_config_read_value(info->parent, realName, fallback);
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free(realName);
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return value;
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}
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sat_config_ptr sat_config_alloc_scoped(void) {
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sat_config_ptr ctx = malloc(sizeof(sat_config));
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memset(ctx, 0, sizeof(sat_config));
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ctx->type = SAT_CONFIG_TYPE_SCOPED;
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ctx->scopeTo = sat_config_scoped_scope_to;
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ctx->readValue = sat_config_scoped_read_value;
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ctx->info = malloc(sizeof(sat_config_scoped));
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memset(ctx->info, 0, sizeof(sat_config_scoped));
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return ctx;
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}
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void sat_config_free_scoped(sat_config_ptr ctx) {
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if(ctx == NULL || ctx->info == NULL || ctx->type != SAT_CONFIG_TYPE_SCOPED) return;
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// freeing parent will cause explosions beyond your imagination
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sat_config_scoped_ptr info = (sat_config_scoped_ptr)ctx->info;
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if(info->prefix != NULL)
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free(info->prefix);
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free(ctx->info);
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free(ctx);
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}
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