| 1 | |
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| 2 | /* |
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| 3 | $Id: cgictest.c,v 1.2 2004/04/07 17:09:27 fox Exp $ |
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| 4 | */ |
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| 5 | |
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| 6 | #include <stdio.h> |
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| 7 | #include "cgic.h" |
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| 8 | |
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| 9 | void Name(); |
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| 10 | void Address(); |
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| 11 | void Hungry(); |
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| 12 | void Temperature(); |
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| 13 | void Frogs(); |
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| 14 | void Color(); |
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| 15 | void Flavors(); |
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| 16 | void NonExButtons(); |
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| 17 | void RadioButtons(); |
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| 18 | |
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| 19 | |
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| 20 | int cgiMain() { |
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| 21 | #if DEBUG |
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| 22 | /* Load a saved CGI scenario if we're debugging */ |
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| 23 | cgiReadEnvironment("/home/boutell/public_html/capcgi.dat"); |
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| 24 | #endif |
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| 25 | cgiHeaderContentType("text/html"); |
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| 26 | fprintf(cgiOut, "<HTML><HEAD>\n"); |
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| 27 | fprintf(cgiOut, "<TITLE>cgic test</TITLE></HEAD>\n"); |
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| 28 | fprintf(cgiOut, "<BODY><H1>cgic test</H1>\n"); |
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| 29 | Name(); |
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| 30 | Address(); |
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| 31 | Hungry(); |
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| 32 | Temperature(); |
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| 33 | Frogs(); |
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| 34 | Color(); |
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| 35 | Flavors(); |
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| 36 | NonExButtons(); |
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| 37 | RadioButtons(); |
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| 38 | fprintf(cgiOut, "</BODY></HTML>\n"); |
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| 39 | return 0; |
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| 40 | } |
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| 41 | |
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| 42 | void Name() { |
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| 43 | char name[81]; |
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| 44 | int result = cgiFormStringNoNewlines("name", name, 81); |
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| 45 | switch (result) { |
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| 46 | case cgiFormSuccess: |
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| 47 | fprintf(cgiOut, "Name fetched, result code: cgiFormSuccess<br>\n"); |
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| 48 | break; |
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| 49 | case cgiFormTruncated: |
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| 50 | fprintf(cgiOut, "Name fetched, result code: cgiFormTruncated<br>\n"); |
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| 51 | break; |
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| 52 | case cgiFormEmpty: |
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| 53 | fprintf(cgiOut, "Name fetched, result code: cgiFormEmpty<br>\n"); |
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| 54 | break; |
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| 55 | case cgiFormNotFound: |
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| 56 | fprintf(cgiOut, "Name fetched, result code: cgiFormNotFound<br>\n"); |
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| 57 | break; |
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| 58 | case cgiFormMemory: |
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| 59 | fprintf(cgiOut, "Name fetched, result code: cgiFormMemory<br>\n"); |
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| 60 | break; |
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| 61 | default: |
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| 62 | fprintf(cgiOut, "Name fetched, unexpected result code: %d\n", result); |
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| 63 | break; |
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| 64 | } |
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| 65 | fprintf(cgiOut, "Name: %s<BR>\n", name); |
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| 66 | } |
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| 67 | |
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| 68 | void Address() { |
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| 69 | char address[241]; |
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| 70 | cgiFormString("address", address, 241); |
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| 71 | fprintf(cgiOut, "Address: <PRE>\n%s</PRE>\n", address); |
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| 72 | } |
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| 73 | |
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| 74 | void Hungry() { |
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| 75 | if (cgiFormCheckboxSingle("hungry") == cgiFormSuccess) { |
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| 76 | fprintf(cgiOut, "I'm Hungry!<BR>\n"); |
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| 77 | } else { |
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| 78 | fprintf(cgiOut, "I'm Not Hungry!<BR>\n"); |
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| 79 | } |
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| 80 | } |
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| 81 | |
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| 82 | void Temperature() { |
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| 83 | double temperature; |
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| 84 | cgiFormDoubleBounded("temperature", &temperature, 80.0, 120.0, 98.6); |
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| 85 | fprintf(cgiOut, "My temperature is %f.<BR>\n", temperature); |
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| 86 | } |
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| 87 | |
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| 88 | void Frogs() { |
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| 89 | int frogsEaten; |
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| 90 | cgiFormInteger("frogs", &frogsEaten, 0); |
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| 91 | fprintf(cgiOut, "I have eaten %d frogs.<BR>\n", frogsEaten); |
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| 92 | } |
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| 93 | |
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| 94 | char *colors[] = { |
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| 95 | "Red", |
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| 96 | "Green", |
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| 97 | "Blue" |
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| 98 | }; |
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| 99 | |
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| 100 | void Color() { |
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| 101 | int colorChoice; |
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| 102 | cgiFormSelectSingle("colors", colors, 3, &colorChoice, 0); |
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| 103 | fprintf(cgiOut, "I am: %s<BR>\n", colors[colorChoice]); |
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| 104 | } |
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| 105 | |
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| 106 | char *flavors[] = { |
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| 107 | "pistachio", |
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| 108 | "walnut", |
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| 109 | "creme" |
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| 110 | }; |
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| 111 | |
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| 112 | void Flavors() { |
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| 113 | int flavorChoices[3]; |
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| 114 | int i; |
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| 115 | int result; |
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| 116 | int invalid; |
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| 117 | result = cgiFormSelectMultiple("flavors", flavors, 3, |
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| 118 | flavorChoices, &invalid); |
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| 119 | if (result == cgiFormNotFound) { |
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| 120 | fprintf(cgiOut, "I hate ice cream.<p>\n"); |
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| 121 | } else { |
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| 122 | fprintf(cgiOut, "My favorite ice cream flavors are:\n"); |
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| 123 | fprintf(cgiOut, "<ul>\n"); |
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| 124 | for (i=0; (i < 3); i++) { |
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| 125 | if (flavorChoices[i]) { |
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| 126 | fprintf(cgiOut, "<li>%s\n", flavors[i]); |
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| 127 | } |
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| 128 | } |
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| 129 | fprintf(cgiOut, "</ul>\n"); |
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| 130 | } |
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| 131 | } |
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| 132 | |
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| 133 | char *ages[] = { |
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| 134 | "1", |
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| 135 | "2", |
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| 136 | "3", |
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| 137 | "4" |
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| 138 | }; |
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| 139 | |
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| 140 | void RadioButtons() { |
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| 141 | int ageChoice; |
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| 142 | char ageText[10]; |
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| 143 | /* Approach #1: check for one of several valid responses. |
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| 144 | Good if there are a short list of possible button values and |
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| 145 | you wish to enumerate them. */ |
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| 146 | cgiFormRadio("age", ages, 4, &ageChoice, 0); |
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| 147 | |
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| 148 | fprintf(cgiOut, "Age of Truck: %s (method #1)<BR>\n", |
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| 149 | ages[ageChoice]); |
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| 150 | |
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| 151 | /* Approach #2: just get the string. Good |
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| 152 | if the information is not critical or if you wish |
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| 153 | to verify it in some other way. Note that if |
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| 154 | the information is numeric, cgiFormInteger, |
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| 155 | cgiFormDouble, and related functions may be |
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| 156 | used instead of cgiFormString. */ |
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| 157 | cgiFormString("age", ageText, 10); |
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| 158 | |
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| 159 | fprintf(cgiOut, "Age of Truck: %s (method #2)<BR>\n", ageText); |
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| 160 | } |
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| 161 | |
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| 162 | char *votes[] = { |
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| 163 | "A", |
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| 164 | "B", |
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| 165 | "C", |
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| 166 | "D" |
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| 167 | }; |
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| 168 | |
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| 169 | void NonExButtons() { |
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| 170 | int voteChoices[4]; |
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| 171 | int i; |
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| 172 | int result; |
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| 173 | int invalid; |
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| 174 | |
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| 175 | char **responses; |
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| 176 | |
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| 177 | /* Method #1: check for valid votes. This is a good idea, |
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| 178 | since votes for nonexistent candidates should probably |
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| 179 | be discounted... */ |
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| 180 | fprintf(cgiOut, "Votes (method 1):<BR>\n"); |
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| 181 | result = cgiFormCheckboxMultiple("vote", votes, 4, |
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| 182 | voteChoices, &invalid); |
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| 183 | if (result == cgiFormNotFound) { |
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| 184 | fprintf(cgiOut, "I hate them all!<p>\n"); |
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| 185 | } else { |
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| 186 | fprintf(cgiOut, "My preferred candidates are:\n"); |
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| 187 | fprintf(cgiOut, "<ul>\n"); |
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| 188 | for (i=0; (i < 4); i++) { |
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| 189 | if (voteChoices[i]) { |
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| 190 | fprintf(cgiOut, "<li>%s\n", votes[i]); |
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| 191 | } |
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| 192 | } |
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| 193 | fprintf(cgiOut, "</ul>\n"); |
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| 194 | } |
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| 195 | |
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| 196 | /* Method #2: get all the names voted for and trust them. |
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| 197 | This is good if the form will change more often |
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| 198 | than the code and invented responses are not a danger |
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| 199 | or can be checked in some other way. */ |
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| 200 | fprintf(cgiOut, "Votes (method 2):<BR>\n"); |
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| 201 | result = cgiFormStringMultiple("vote", &responses); |
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| 202 | if (result == cgiFormNotFound) { |
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| 203 | fprintf(cgiOut, "I hate them all!<p>\n"); |
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| 204 | } else { |
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| 205 | int i = 0; |
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| 206 | fprintf(cgiOut, "My preferred candidates are:\n"); |
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| 207 | fprintf(cgiOut, "<ul>\n"); |
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| 208 | while (responses[i]) { |
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| 209 | fprintf(cgiOut, "<li>%s\n", responses[i]); |
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| 210 | i++; |
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| 211 | } |
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| 212 | fprintf(cgiOut, "</ul>\n"); |
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| 213 | } |
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| 214 | /* We must be sure to free the string array or a memory |
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| 215 | leak will occur. Simply calling free() would free |
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| 216 | the array but not the individual strings. The |
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| 217 | function cgiStringArrayFree() does the job completely. */ |
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| 218 | cgiStringArrayFree(responses); |
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| 219 | } |
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| 220 | |
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