coordinates.c

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    /*+-----------------------------------------------------------------**
     **                       OpenScop Library                          **
     **-----------------------------------------------------------------**
     **                    extensions/coordinates.c                     **
     **-----------------------------------------------------------------**
     **                   First version: 07/12/2010                     **
     **-----------------------------------------------------------------**

 
 *****************************************************************************
 * OpenScop: Structures and formats for polyhedral tools to talk together    *
 *****************************************************************************
 *    ,___,,_,__,,__,,__,,__,,_,__,,_,__,,__,,___,_,__,,_,__,                *
 *    /   / /  //  //  //  // /   / /  //  //   / /  // /  /|,_,             *
 *   /   / /  //  //  //  // /   / /  //  //   / /  // /  / / /\             *
 *  |~~~|~|~~~|~~~|~~~|~~~|~|~~~|~|~~~|~~~|~~~|~|~~~|~|~~~|/_/  \            *
 *  | G |C| P | = | L | P |=| = |C| = | = | = |=| = |=| C |\  \ /\           *
 *  | R |l| o | = | e | l |=| = |a| = | = | = |=| = |=| L | \# \ /\          *
 *  | A |a| l | = | t | u |=| = |n| = | = | = |=| = |=| o | |\# \  \         *
 *  | P |n| l | = | s | t |=| = |d| = | = | = | |   |=| o | | \# \  \        *
 *  | H | | y |   | e | o | | = |l|   |   | = | |   | | G | |  \  \  \       *
 *  | I | |   |   | e |   | |   | |   |   |   | |   | |   | |   \  \  \      *
 *  | T | |   |   |   |   | |   | |   |   |   | |   | |   | |    \  \  \     *
 *  | E | |   |   |   |   | |   | |   |   |   | |   | |   | |     \  \  \    *
 *  | * |*| * | * | * | * |*| * |*| * | * | * |*| * |*| * | /      \* \  \   *
 *  | O |p| e | n | S | c |o| p |-| L | i | b |r| a |r| y |/        \  \ /   *
 *  '---'-'---'---'---'---'-'---'-'---'---'---'-'---'-'---'          '--'    *
 *                                                                           *
 * Copyright (C) 2008 University Paris-Sud 11 and INRIA                      *
 *                                                                           *
 * (3-clause BSD license)                                                    *
 * Redistribution and use in source  and binary forms, with or without       *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 * 3. The name of the author may not be used to endorse or promote products  *
 *    derived from this software without specific prior written permission.  *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR      *
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES *
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   *
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,          *
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  *
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY     *
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT       *
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF  *
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         *
 *                                                                           *
 * OpenScop Library, a library to manipulate OpenScop formats and data       *
 * structures. Written by:                                                   *
 * Cedric Bastoul     <Cedric.Bastoul@u-psud.fr> and                         *
 * Louis-Noel Pouchet <Louis-Noel.pouchet@inria.fr>                          *
 *                                                                           *
 *****************************************************************************/

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

#include <osl/macros.h>
#include <osl/util.h>
#include <osl/interface.h>
#include <osl/extensions/coordinates.h>


/*+***************************************************************************
 *                          Structure display function                       *
 *****************************************************************************/


void osl_coordinates_idump(FILE* file, osl_coordinates_p coordinates,
                           int level) {
  int j;

  // Go to the right level.
  for (j = 0; j < level; j++)
    fprintf(file, "|\t");

  if (coordinates != NULL)
    fprintf(file, "+-- osl_coordinates_t\n");
  else
    fprintf(file, "+-- NULL coordinates\n");

  if (coordinates != NULL) {
    // Go to the right level.
    for(j = 0; j <= level; j++)
      fprintf(file, "|\t");

    // Display the file name.
    if (coordinates->name != NULL)
      fprintf(file, "File name__: %s\n", coordinates->name);
    else
      fprintf(file, "NULL file name\n");

    // Go to the right level.
    for(j = 0; j <= level; j++)
      fprintf(file, "|\t");

    // Display the lines.
    fprintf(file, "Coordinates: [%d,%d -> %d,%d]\n",
            coordinates->line_start, coordinates->column_start,
            coordinates->line_end,   coordinates->column_end);

    // Go to the right level.
    for(j = 0; j <= level; j++)
      fprintf(file, "|\t");
  
    // Display the indentation.
    fprintf(file, "Indentation: %d\n", coordinates->indent);
  }

  // The last line.
  for (j = 0; j <= level; j++)
    fprintf(file, "|\t");
  fprintf(file, "\n");
}


void osl_coordinates_dump(FILE* file, osl_coordinates_p coordinates) {
  osl_coordinates_idump(file, coordinates, 0);
}


char* osl_coordinates_sprint(osl_coordinates_p coordinates) {
  int high_water_mark = OSL_MAX_STRING;
  char* string = NULL;
  char buffer[OSL_MAX_STRING];

  if (coordinates != NULL) {
    OSL_malloc(string, char*, high_water_mark * sizeof(char));
    string[0] = '\0';
   
    // Print the coordinates content.
    sprintf(buffer, "# File name\n%s\n", coordinates->name);
    osl_util_safe_strcat(&string, buffer, &high_water_mark);

    sprintf(buffer, "# Starting line and column\n%d %d\n",
            coordinates->line_start, coordinates->column_start);
    osl_util_safe_strcat(&string, buffer, &high_water_mark);

    sprintf(buffer, "# Ending line and column\n%d %d\n",
            coordinates->line_end, coordinates->column_end);
    osl_util_safe_strcat(&string, buffer, &high_water_mark);

    sprintf(buffer, "# Indentation\n%d\n", coordinates->indent);
    osl_util_safe_strcat(&string, buffer, &high_water_mark);
  
    // Keep only the memory space we need.
    OSL_realloc(string, char*, (strlen(string) + 1) * sizeof(char));
  }

  return string;
}


/*****************************************************************************
 *                               Reading function                            *
 *****************************************************************************/


osl_coordinates_p osl_coordinates_sread(char** input) {
  osl_coordinates_p coordinates;

  if (*input == NULL) {
    OSL_debug("no coordinates optional tag");
    return NULL;
  }

  // Build the coordinates structure.
  coordinates = osl_coordinates_malloc();
  
  // Read the file name (and path).
  coordinates->name = osl_util_read_line(NULL, input);

  // Read the coordinates.
  coordinates->line_start   = osl_util_read_int(NULL, input);
  coordinates->column_start = osl_util_read_int(NULL, input);
  coordinates->line_end     = osl_util_read_int(NULL, input);
  coordinates->column_end   = osl_util_read_int(NULL, input);

  // Read the indentation level.
  coordinates->indent = osl_util_read_int(NULL, input);
  
  return coordinates;
}


/*+***************************************************************************
 *                    Memory allocation/deallocation function                *
 *****************************************************************************/


osl_coordinates_p osl_coordinates_malloc() {
  osl_coordinates_p coordinates;
  
  OSL_malloc(coordinates, osl_coordinates_p, sizeof(osl_coordinates_t));
  coordinates->name         = NULL;
  coordinates->line_start   = OSL_UNDEFINED;
  coordinates->column_start = OSL_UNDEFINED;
  coordinates->line_end     = OSL_UNDEFINED;
  coordinates->column_end   = OSL_UNDEFINED;
  coordinates->indent       = OSL_UNDEFINED;

  return coordinates;
}


void osl_coordinates_free(osl_coordinates_p coordinates) {
  if (coordinates != NULL) {
    free(coordinates->name);
    free(coordinates);
  }
}


/*+***************************************************************************
 *                            Processing functions                           *
 *****************************************************************************/


osl_coordinates_p osl_coordinates_clone(osl_coordinates_p coordinates) {
  osl_coordinates_p clone;

  if (coordinates == NULL)
    return NULL;

  clone = osl_coordinates_malloc();
  OSL_strdup(clone->name, coordinates->name);
  clone->line_start   = coordinates->line_start;
  clone->column_start = coordinates->column_start;
  clone->line_end     = coordinates->line_end;
  clone->column_end   = coordinates->column_end;
  clone->indent       = coordinates->indent;

  return clone;
}


int osl_coordinates_equal(osl_coordinates_p c1, osl_coordinates_p c2) {
  if (c1 == c2)
    return 1;

  if (((c1 == NULL) && (c2 != NULL)) || ((c1 != NULL) && (c2 == NULL)))
    return 0;

  if (strcmp(c1->name, c2->name)) {
    OSL_info("file names are not the same");
    return 0;
  }

  if (c1->line_start != c2->line_start) {
    OSL_info("starting lines are not the same");
    return 0;
  }

  if (c1->column_start != c2->column_start) {
    OSL_info("starting columns are not the same");
    return 0;
  }

  if (c1->line_end != c2->line_end) {
    OSL_info("Ending lines are not the same");
    return 0;
  }

  if (c1->column_end != c2->column_end) {
    OSL_info("Ending columns are not the same");
    return 0;
  }

  if (c1->indent != c2->indent) {
    OSL_info("indentations are not the same");
    return 0;
  }

  return 1;
}


osl_interface_p osl_coordinates_interface() {
  osl_interface_p interface = osl_interface_malloc();
  
  OSL_strdup(interface->URI, OSL_URI_COORDINATES);
  interface->idump  = (osl_idump_f)osl_coordinates_idump;
  interface->sprint = (osl_sprint_f)osl_coordinates_sprint;
  interface->sread  = (osl_sread_f)osl_coordinates_sread;
  interface->malloc = (osl_malloc_f)osl_coordinates_malloc;
  interface->free   = (osl_free_f)osl_coordinates_free;
  interface->clone  = (osl_clone_f)osl_coordinates_clone;
  interface->equal  = (osl_equal_f)osl_coordinates_equal;

  return interface;
}