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#include <stdio.h>
#include <string.h>

#include "rccconfig.h"
#include "internal.h"
#include "opt.h"

rcc_option_value rccGetOption(rcc_context ctx, rcc_option option) {
    if (!ctx) {
	if (rcc_default_ctx) ctx = rcc_default_ctx;
	else return (rcc_option_value)0;
    }
    if ((option<0)||(option>=RCC_MAX_OPTIONS)) return 0;
    
    return ctx->options[option];
}

int rccOptionIsDefault(rcc_context ctx, rcc_option option) {
    if (!ctx) {
	if (rcc_default_ctx) ctx = rcc_default_ctx;
	else return -1;
    }
    if ((option<0)||(option>=RCC_MAX_OPTIONS)) return -1;

    return ctx->default_options[option];
}

int rccSetOption(rcc_context ctx, rcc_option option, rcc_option_value value) {
    rcc_option_description *desc;
    rcc_option_value min, max;
    
    
    if (!ctx) {
	if (rcc_default_ctx) ctx = rcc_default_ctx;
	else return -1;
    }
    if ((option<0)||(option>=RCC_MAX_OPTIONS)) return -1;
	
    
    desc = rccGetOptionDescription(option);
    if (desc) {
	// DS: More checks for different range types
	min = desc->range.min;
	max = desc->range.max;
	if ((min)&&(min!=max)) {
	    if ((option<min)||(option>max)) return -1;
	}
    }
    
    ctx->default_options[option] = 0;

    if (ctx->options[option] != value) {
	rccMutexLock(ctx->mutex);
	ctx->configure = 1;
	ctx->options[option]=value;
	rccMutexUnLock(ctx->mutex);
    }
    
    return 0;
}

int rccOptionSetDefault(rcc_context ctx, rcc_option option) {
    rcc_option_description *desc;
    rcc_option_value value;

    if (!ctx) {
	if (rcc_default_ctx) ctx = rcc_default_ctx;
	else return -1;
    }
    if ((option<0)||(option>=RCC_MAX_OPTIONS)) return -1;

    ctx->default_options[option] = 1;

    desc = rccGetOptionDescription(option);
    if (desc) value = desc->value;
    else value = 0;

    if (ctx->options[option] != value) {
	ctx->configure = 1;
	ctx->options[option]=value;
    }
    
    return 0;
}

rcc_option_type rccOptionGetType(rcc_context ctx, rcc_option option) {
    rcc_option_description *desc;

    desc = rccGetOptionDescription(option);
    if (desc) return desc->type;
    return 0;
}

rcc_option_range *rccOptionGetRange(rcc_context ctx, rcc_option option) {
    rcc_option_description *desc;

    desc = rccGetOptionDescription(option);
    if (desc) return &desc->range;
    return 0;
}

const char *rccOptionDescriptionGetName(rcc_option_description *desc) {
    if (desc) return desc->sn;
    return NULL;
}

rcc_option rccOptionDescriptionGetOption(rcc_option_description *desc) {
    if (desc) return desc->option;
    return (rcc_option)-1;
}

const char *rccOptionDescriptionGetValueName(rcc_option_description *desc, rcc_option_value value) {
    unsigned int i;
    
    if ((desc)&&(desc->vsn)) {
	for (i=0;desc->vsn[i];i++) {
	    if (i == value) return desc->vsn[i];
	}
    }
    return NULL;
}

rcc_option_value rccOptionDescriptionGetValueByName(rcc_option_description *desc, const char *name) {
    unsigned int i;

    if ((desc)&&(desc->vsn)&&(name)) {
	for (i=0;desc->vsn[i];i++) {
	    if (!strcasecmp(desc->vsn[i], name)) return (rcc_option_value)i;
	}
    }

    return (rcc_option_value)-1;
}


const char *rccGetOptionName(rcc_option option) {
    rcc_option_description *desc;
    
    desc = rccGetOptionDescription(option);
    return rccOptionDescriptionGetName(desc);
}

const char *rccGetOptionValueName(rcc_option option, rcc_option_value value) {
    rcc_option_description *desc;
    
    desc = rccGetOptionDescription(option);
    return rccOptionDescriptionGetValueName(desc, value);
}

rcc_option rccGetOptionByName(const char *name) {
    rcc_option_description *desc;
    
    desc = rccGetOptionDescriptionByName(name);
    return rccOptionDescriptionGetOption(desc);
}

rcc_option_value rccGetOptionValueByName(rcc_option option, const char *name) {
    rcc_option_description *desc;
    
    desc = rccGetOptionDescription(option);
    return rccOptionDescriptionGetValueByName(desc, name);
}