EST_item_content_aux.cc

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 /*                                                                       */
 /*                 Author: Richard Caley (rjc@cstr.ed.ac.uk)             */
 /* --------------------------------------------------------------------  */
 /* Auxiliary functions related to item_contents.                         */
 /*                                                                       */
 /*************************************************************************/

#include "ling_class/EST_item_content_aux.h"
#include "ling_class/EST_item_aux.h"
#include "ling_class/EST_Item_Content.h"
#include "EST_String.h"
#include "EST_error.h"

#include "../base_class/EST_get_function_template.h"

defineGetFunction(EST_Item_Content, f.val, EST_Val, getValI)
defineGetFunction(EST_Item_Content, f.val, EST_String, getStringI)
defineGetFunction(EST_Item_Content, f.val, float, getFloatI)
defineGetFunction(EST_Item_Content, f.val, int, getIntegerI)



EST_Val getVal(const EST_Item_Content &f,
           const EST_String name,
           const EST_Val &def,
           EST_feat_status &s)
{
    if (f.relations.length() == 0)
    return getValI(f, name, def, s);
    else
    {
    EST_Litem *p;
    p = f.relations.head();
    EST_Item *i = item(f.relations.list(p).v);
    return getVal(*i, name, def, s);
    }
}


EST_String getString(const EST_Item_Content &f,
             const EST_String name,
             const EST_String &def,
             EST_feat_status &s)
{
    if (f.relations.length() == 0)
    return getStringI(f, name, def, s);
    else
    {
    EST_Litem *p;
    p = f.relations.head();
    EST_Item *i = item(f.relations.list(p).v);
    return getString(*i, name, def, s);
    }
}

int getInteger(const EST_Item_Content &f,
             const EST_String name,
             const int &def,
             EST_feat_status &s)
{
    if (f.relations.length() == 0)
    return getIntegerI(f, name, def, s);
    else
    {
    EST_Litem *p;
    p = f.relations.head();
    EST_Item *i = item(f.relations.list(p).v);
    return getInteger(*i, name, def, s);
    }
}

float getFloat(const EST_Item_Content &f,
             const EST_String name,
             const float &def,
             EST_feat_status &s)
{
    if (f.relations.length() == 0)
    return getFloatI(f, name, def, s);
    else
    {
    EST_Litem *p;
    p = f.relations.head();
    EST_Item *i = item(f.relations.list(p).v);
    return getFloat(*i, name, def, s);
    }
}


float start(const EST_Item_Content &item_content)
{
    if (item_content.relations.length() == 0)
    {
    float v=0;
    EST_feat_status status=efs_ok;

    v = getFloat(item_content, "start", -1.0, status);

    return v;
    }
    else
    {
    EST_Litem *p;
    p = item_content.relations.head();
    EST_Item *i = item(item_content.relations.list(p).v);
    return start(*i);
    }
}

float mid(const EST_Item_Content &item_content)
{
    if (item_content.relations.length() == 0)
    {
    float v = 0;
    EST_feat_status status=efs_ok;
      
    v = getFloat(item_content, "mid", -1.0, status);
      
    if (v < 0.0)
        v = (start(item_content)+end(item_content))/2.0;

    return v;
    }
    else
    {
    EST_Litem *p;
    p = item_content.relations.head();
    EST_Item *i = item(item_content.relations.list(p).v);
    return mid(*i);
    }
}

float time(const EST_Item_Content &item_content)
{
    if (item_content.relations.length() == 0)
    {
    float v = 0;
    EST_feat_status status=efs_ok;
      
    v = getFloat(item_content, "time", -1.0, status);
      
    if (v < 0.0)
        v = mid(item_content);
      
    return v;
    }
    else
    {
    EST_Litem *p;
    p = item_content.relations.head();
    EST_Item *i = item(item_content.relations.list(p).v);
    return time(*i);
    }
}

float end(const EST_Item_Content &item_content)
{
    if (item_content.relations.length() == 0)
    {
    float v=0;
    EST_feat_status status=efs_ok;
      
    v = getFloat(item_content, "end", -1.0, status);
      
    return v;
    }
    else
    {
    EST_Litem *p;
    p = item_content.relations.head();
    EST_Item *i = item(item_content.relations.list(p).v);
    return end(*i);
    }
}