C++ (Cpp) mp_set_from_stringの例

コード例 #1

ファイル: lexer.c プロジェクト: cryptocurrent/mate-calc

static gboolean
l_check_if_number(LexerState* state)
{
    MPNumber tmp;
    int count = 0;
    gchar* text = pl_get_marked_substring(state->prelexer);
    if(mp_set_from_string(text, state->parent->options->base, &tmp) == 0)
    {
        free(text);
        return TRUE;
    }
    else
    {
        /* Try to rollback several characters to see, if that yeilds any number. */
        while(strlen (text) > 0)
        {
            if(mp_set_from_string(text, state->parent->options->base, &tmp) == 0)
            {
                free(text);
                return TRUE;
            }
            free(text);
            count++;
            pl_roll_back(state->prelexer);
            text = pl_get_marked_substring(state->prelexer);
        }
        /* Undo all rollbacks. */
        while(count--)
            pl_get_next_token (state->prelexer);
        free(text);
        return FALSE;
    }
}

コード例 #2

ファイル: math-variables.c プロジェクト: ingeniumed/gcalctool

static void
registers_load(MathVariables *variables)
{
    FILE *f;
    char line[1024];
    
    f = fopen(variables->priv->file_name, "r");
    if (!f)
        return;
    
    g_hash_table_remove_all(variables->priv->registers);

    while (fgets(line, 1024, f) != NULL)
    {
        char *name, *value;
        MPNumber *t;
        
        value = strchr(line, '=');
        if (!value)
            continue;
        *value = '\0';
        value = value + 1;
        
        name = g_strstrip(line);
        value = g_strstrip(value);

        t = g_malloc(sizeof(MPNumber));
        if (mp_set_from_string(value, 10, t) == 0)
            g_hash_table_insert(variables->priv->registers, g_strdup(name), t);
        else
            g_free(t);
    }
    fclose(f);
}