/examples/example_readme.d

http://github.com/baryluk/cords · D · 150 lines · 116 code · 33 blank · 1 comment · 6 complexity · a14f0245237e99b9e3a726bc225c6890 MD5 · raw file 

    

  1. module readme;
    2. 

  2. 

  3. import utils.timer : Timer;
    4. 

  4. import utils.log : logging;
    5. 

  5. 

  6. string g(string x) {
    7. 

  7. 	return x ~ " - <b>" ~ x ~ "</b>";
    8. 

  8. }
    9. 

  9. 

  10. 

  11. string extraargs(string s) {
    12. 

  12. 	return "s=2";
    13. 

  13. }
    14. 

  14. 

  15. 

  16. string generate_1(string title, string[] points) {
    17. 

  17. 	string s = "<head><title>" ~ title ~ "</title></head><body>"; // line a
    18. 

  18. 	if (points.length > 0) {
    19. 

  19. 		s ~= "<ul>"; // line b
    20. 

  20. 		foreach (point; points) { // line c
    21. 

  21. 			s ~= "<li>" ~ g(point) ~ "</li>"; // line d
    22. 

  22. 		}
    23. 

  23. 		s ~= "</ul>"; // line e
    24. 

  24. 	}
    25. 

  25. 	s ~= "</body>"; // line f
    26. 

  26. 	
    27. 

  27. 	return "<html "~extraargs(s)~">" ~ s ~ "</html>"; // line g
    28. 

  28. }
    29. 

  29. 

  30. 

  31. 

  32. 

  33. string extraargs(char[] s) {
    34. 

  34. 	return "s=2";
    35. 

  35. }
    36. 

  36. 

  37. size_t g_size(string x) {
    38. 

  38. 	return x.length + " - <b>".length + x.length + "</b>".length;
    39. 

  39. }
    40. 

  40. 

  41. 

  42. size_t generate_2_size(string title, string[] points) {
    43. 

  43. 	size_t s = "<head><title>".length + title.length + "</title></head><body>".length; // line a
    44. 

  44. 	if (points.length > 0) {
    45. 

  45. 		s += "<ul>".length; // line b
    46. 

  46. 		foreach (point; points) { // line c
    47. 

  47. 			s += "<li>".length + g_size(point) + "</li>".length; // line d
    48. 

  48. 		}
    49. 

  49. 		s += "</ul>".length; // line e
    50. 

  50. 	}
    51. 

  51. 	s += "</body>".length; // line f
    52. 

  52. 	
    53. 

  53. 	return "<html ".length+50+">".length + s + "</html>".length; // line g. estimated size of extraargs(s) == 50
    54. 

  54. }
    55. 

  55. string generate_2(string title, string[] points) {
    56. 

  56. 	char[] s;
    57. 

  57. 	size_t s_size = generate_2_size(title, points);
    58. 

  58. 	s.length = s_size;
    59. 

  59. 	size_t already = 0;
    60. 

  60. 	void append(string str) {
    61. 

  61. 		if (already+str.length >= s_size) {
    62. 

  62. 			s.length = s_size = already+str.length;
    63. 

  63. 		}
    64. 

  64. 		s[already .. already+str.length] = str[];
    65. 

  65. 		already += str.length;
    66. 

  66. 	}
    67. 

  67. 	append("<head><title>" ~ title ~ "</title></head><body>"); // line a
    68. 

  68. 	if (points.length > 0) {
    69. 

  69. 		append("<ul>"); // line b
    70. 

  70. 		foreach (point; points) { // line c
    71. 

  71. 			append("<li>" ~ g(point) ~ "</li>"); // line d
    72. 

  72. 		}
    73. 

  73. 		append("</ul>"); // line e
    74. 

  74. 	}
    75. 

  75. 	append("</body>"); // line f
    76. 

  76. 	
    77. 

  77. 	s.length = already; // line h
    78. 

  78. 	
    79. 

  79. 	s = "<html "~extraargs(s)~">" ~ s ~ "</html>"; // line g
    80. 

  80. 	
    81. 

  81. 	return cast(invariant)s;
    82. 

  82. }
    83. 

  83. 

  84. 

  85. import cords : Cord, RBCord, CordI;
    86. 

  86. 

  87. 

  88. RBCord g(RBCord x) {
    89. 

  89. 	return x ~ " - <b>" ~ x ~ "</b>";
    90. 

  90. }
    91. 

  91. 

  92. RBCord extraargs(RBCord s) {
    93. 

  93. 	return RBCord("s=2");
    94. 

  94. }
    95. 

  95. 

  96. RBCord generate_3(string title, string[] points) {
    97. 

  97. 	RBCord s = "<head><title>" ~ title ~ "</title></head><body>"; // line a
    98. 

  98. 	if (points.length > 0) {
    99. 

  99. 		s = s ~ "<ul>"; // line b
    100. 

  100. 		foreach (point; points) { // line c
    101. 

  101. 			s = s ~ "<li>" ~ g(point) ~ "</li>"; // line d
    102. 

  102. 		}
    103. 

  103. 		s = s ~ "</ul>"; // line e
    104. 

  104. 	}
    105. 

  105. 	s = s ~ "</body>"; // line f
    106. 

  106. 	
    107. 

  107. 	s = "<html "~extraargs(s)~">" ~ s ~ "</html>"; // line g
    108. 

  108. 	//return s.toString(); // allocate exactly s.length bytes and fill it
    109. 

  109. 	return s;
    110. 

  110. }
    111. 

  111. 

  112. import std.stdio : writefln;
    113. 

  113. 

  114. import std.c.stdlib : atoi;
    115. 

  115. 

  116. int main(string[] args) {
    117. 

  117. 	auto title = "Simple test";
    118. 

  118. 

  119. 	string[] list;
    120. 

  120. 

  121. 	int c1 = atoi(args[1].ptr);
    122. 

  122. 	int c2 = atoi(args[2].ptr);
    123. 

  123. 	for (int i = 0; i < c1; i++) {
    124. 

  124. 		auto temp = new char[c2];
    125. 

  125. 		foreach(int j, ref z; temp) { 
    126. 

  126. 			z = 'A' + j % ('Z'-'A');
    127. 

  127. 		}
    128. 

  128. 		list ~= [cast(string)temp];
    129. 

  129. 	}
    130. 

  130. 

  131. 	logging = true;
    132. 

  132. 

  133. 	{
    134. 

  134. 	scope t = new Timer("Standard");
    135. 

  135. 	auto g = generate_1(title, list);
    136. 

  136. 	writefln("%s", g.length);
    137. 

  137. 	}
    138. 

  138. 	{
    139. 

  139. 	scope t = new Timer("With estimation of size");
    140. 

  140. 	auto g = generate_2(title, list);
    141. 

  141. 	writefln("%s", g.length);
    142. 

  142. 	}
    143. 

  143. 	{
    144. 

  144. 	scope t = new Timer("Cords");
    145. 

  145. 	auto g = generate_3(title, list);
    146. 

  146. 	writefln("%s", g.length);
    147. 

  147. 	}
    148. 

  148. 

  149. 	return 0;
    150. 

  150. }
    151.