/*
* --ATTENTION--
* we DO NOT use lcm API to set cursor, 'cause cursor
* implement internal LCM. if you don't know how cursor
* work, do NOT use it.
*/
int set_cursor_off(int row, int col)
{
int ret;
/* set cursor off, blink off*/
ret = lcm_set_cursor(row, col, OFF, OFF);
if (ret < 0)
display_err_msg(ret, "设置光标出错！");
return ret;
}
/*
* --ATTENTION--
* we DO NOT use lcm API to set cursor, 'cause cursor
* implement internal LCM. if you don't know how cursor
* work, do NOT use it.
*/
int set_cursor_on(int row, int col)
{
int ret;
/* set cursor on, blink on*/
ret = lcm_set_cursor(row, col, ON, ON);
if (ret < 0)
display_err_msg(ret, "设置光标出错！");
return ret;
}
/*
* Get the parameter values from the superconductor materials library ``sc_materials.txt''
*/
superconductor *get_sc_parameters(char *material)
{
FILE *file;
char *data, *data0, *excep, ch;
node *new_err_msg, *node_aux;
superconductor *sc[10], *sc_aux = malloc(sizeof(superconductor));
unsigned lin = 0, col;
unsigned short i, j, ns = 0;
bool is_comment, still_data_to_read, between_parentheses, reading_data, data_read, found_material;
file = fopen(sc_library, "rt");
if (file == NULL)
{
display_err_msg(7, "No se encuentra el archivo ``sc_materials.txt''");
printf("\n\n");
exit(1);
}
/* Data size is set to longest IUPAC name length (titin)*/
data = malloc(31);
data0 = data;
new_err_msg = NULL;
/* A sentinel node is added as the list head */
add_node(&new_err_msg, NULL, 0, 0);
node_aux = new_err_msg;
sc_aux->temp_c = NULL;
while (ch != EOF)
{
/* Line start */
i = j = col = 0;
lin++;
is_comment = still_data_to_read = between_parentheses = reading_data = data_read = found_material = false;
do
{
ch = fgetc(file);
col++;
if ((ch != ' ') && (ch != '\r') && (ch != '\n')) still_data_to_read = true;
if ((!is_comment) && (still_data_to_read))
{
excep = NULL;
switch (ch)
{
case ' ':
if (reading_data)
{
if (between_parentheses)
{
if ((i > 2) && (j < sc_aux->bands_number - 1)) excep = "Error de sintaxis: datos incompletos.";
else if ((i == 2) && (j < sc_aux->bands_number)) excep = "Error de sintaxis: por favor, revise la(s) temperatura(s) crítica(s) del compuesto. Recuerde definir la temperatura crítica del sistema.";
}
reading_data = false;
}
break;
case '(':
if ((i > 1) && (sc_aux->bands_number < 2)) excep = "Error de sintaxis: no debe emplearse paréntesis en materiales de una sola banda.";
else if (i < 2) excep = "Error de sintaxis: uso incorrecto del paréntesis.";
else if (between_parentheses) excep = "Error de sintaxis: no se ha cerrado un paréntesis anterior.";
between_parentheses = true;
reading_data = false;
break;
case ')':
if ((i > 1) && (sc_aux->bands_number < 2)) excep = "Error de sintaxis: no debe emplearse paréntesis en materiales de una sola banda.";
else if (i < 2) excep = "Error de sintaxis: uso incorrecto del paréntesis.";
else if (!between_parentheses) excep = "Error de sintaxis: paréntesis de cierre sin su paréntesis de apertura correspondiente.";
between_parentheses = false;
reading_data = false;
break;
case ',':
if (!reading_data) excep = "Error de sintaxis.";
else if (!between_parentheses) excep = "Error de sintaxis: emplee el caracter ',' sólo para separar los datos que se encuentran entre paréntesis.";
else if ((i > 2) && (j == sc_aux->bands_number - 1)) excep = "Error de sintaxis: se definieron más datos de los requeridos.";
else if ((i == 2) && (j == sc_aux->bands_number)) excep = "Error de sintaxis: se definieron más datos de los requeridos.";
reading_data = false;
break;
case '#':
is_comment = true;
case '\n':
case EOF:
if (((i > 3) && (data == data0)) || ((i < 4) && ((reading_data) || (data_read)))) excep = "Error de sintaxis: datos incompletos.";
reading_data = false;
break;
default:
if (i < 5)
{
if (!reading_data)
{
reading_data = true;
data_read = false;
}
*data++ = ch;
}
else excep = "Error de sintaxis: se definieron más datos de los requeridos.";
break;
}
if ((!reading_data) && (!data_read) && (i < 5))
{
*data = '\0';
data = data0;
switch (i)
{
case 0:
if (strcmp(material, data) == 0)
{
found_material = true;
if (ns > 0) excep = "Advertencia: se encontró más de una definición para este compuesto. Se seleccionarán los datos de la primera definición encontrada.";
}
break;
case 1:
if (sc_aux->bands_number != atoi(data))
{
sc_aux->bands_number = atoi(data);
/* Deallocating memory no longer needed */
sc_aux->temp_c = malloc((sc_aux->bands_number + 1)*sizeof(*sc_aux->temp_c)); /* One memory space is added to include temp_c */
}
break;
case 2:
sc_aux->temp_c[j] = atof(data);
break;
case 3:
sc_aux->w = atof(data);
break;
case 4:
sc_aux->gamma_a = atof(data);
break;
default:
printf("\n%d\n", i);
break;
}
if ((i == 2) && (sc_aux->bands_number > 1) && (j < sc_aux->bands_number)) j++;
else
{
j = 0;
i++;
}
data_read = true;
}
if (excep != NULL) add_node(&new_err_msg, excep, lin, col);
}
}
while ((ch != '\n') && (ch != EOF)); /* Blank lines are discarded */
if (found_material)
{
sc[ns++] = sc_aux;
sc_aux = malloc(sizeof(superconductor));
}
}
free(data);
free(sc_aux->temp_c);
free(sc_aux);
/* Printing syntax error and/or warning messages about library ``sc_materials.txt'' */
new_err_msg = node_aux;
if (new_err_msg->next != NULL) printf("\nErrores y/o advertencias:");
while ((new_err_msg = new_err_msg->next) != NULL)
{
free(node_aux);
printf("\n(lín: %d, col: %d) -> %s", new_err_msg->lin, new_err_msg->col, new_err_msg->msg);
node_aux = new_err_msg;
}
free(node_aux);
if (ns > 0) return *sc;
else return NULL;
}
