htop/DynamicColumn.c

/*
htop - DynamicColumn.c
(C) 2021 Sohaib Mohammed
(C) 2021 htop dev team
(C) 2021 Red Hat, Inc.  All Rights Reserved.
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/

#include "config.h" // IWYU pragma: keep

#include "DynamicColumn.h"

#include <stddef.h>

#include "Platform.h"
#include "ProcessList.h"
#include "RichString.h"
#include "XUtils.h"


Hashtable* DynamicColumns_new(void) {
   return Platform_dynamicColumns();
}

const char* DynamicColumn_init(unsigned int key) {
   return Platform_dynamicColumnInit(key);
}

typedef struct {
   const char* name;
   const DynamicColumn* data;
   unsigned int key;
} DynamicIterator;

static void DynamicColumn_compare(ht_key_t key, void* value, void* data) {
   const DynamicColumn* column = (const DynamicColumn*)value;
   DynamicIterator* iter = (DynamicIterator*)data;
   if (String_eq(iter->name, column->name)) {
      iter->data = column;
      iter->key = key;
   }
}

const DynamicColumn* DynamicColumn_search(Hashtable* dynamics, const char* name, unsigned int* key) {
   DynamicIterator iter = { .key = 0, .data = NULL, .name = name };
   if (dynamics)
      Hashtable_foreach(dynamics, DynamicColumn_compare, &iter);
   if (key)
      *key = iter.key;
   return iter.data;
}

const DynamicColumn* DynamicColumn_lookup(Hashtable* dynamics, unsigned int key) {
   return (const DynamicColumn*) Hashtable_get(dynamics, key);
}

bool DynamicColumn_writeField(const Process* proc, RichString* str, unsigned int key) {
   return Platform_dynamicColumnWriteField(proc, str, key);
}