+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+#define TOKEN_MAX_LENGTH 50
+#define TOKEN_LIST_MAX 500
+
+FILE *source = NULL, *target = NULL;
+char c;
+unsigned int i = 0;
+char tokenValue[TOKEN_MAX_LENGTH];
+enum TokenType {
+ MOTCLE,
+ SECTION,
+ SSECTION,
+ NPARA,
+ MOT,
+ FIN
+} tokenType;
+const char* tokenTypestr[] = { "MOTCLE", "SECTION", "SSECTION", "NPARA", "MOT", "FIN" };
+const char* tokenList[TOKEN_LIST_MAX];
+
+/* It looks silly to check for each characters but for debugging, it's just the way to go */
+bool istAlpha() {
+ if (c == 'a' || c == 'b' || c == 'c' || c == 'd' || c == 'e' || c == 'f' || c == 'g' || \
+ c == 'h' || c == 'i' || c == 'j' || c == 'k' || c == 'l' || c == 'm' || c == 'n' || \
+ c == 'o' || c == 'p' || c == 'q' || c == 'r' || c == 's' || c == 't' || c == 'u' || \
+ c == 'v' || c == 'w' || c == 'x' || c == 'y' || c == 'z' || \
+ c == 'A' || c == 'B' || c == 'C' || c == 'D' || c == 'E' || c == 'F' || c == 'G' || \
+ c == 'H' || c == 'I' || c == 'J' || c == 'K' || c == 'L' || c == 'M' || c == 'N' || \
+ c == 'O' || c == 'P' || c == 'Q' || c == 'R' || c == 'S' || c == 'T' || c == 'U' || \
+ c == 'V' || c == 'W' || c == 'X' || c == 'Y' || c == 'Z' || \
+ c == '.' || c == '?' || c == '!' || c == ',' || c == ';' || c == ':' || c == '-' || \
+ c == '\''|| c == '#' || \
+ c == '0' || c == '1' || c == '2' || c == '3' || c == '4' || c == '5' || c == '6' || \
+ c == '7' || c == '8' || c == '9') {
+ return true;
+ }
+ return false;
+}
+
+bool isSeparator() {
+ if (c == '\t' || c == ' ' || c == '\n') {
+ return true;
+ }
+ return false;
+}
+
+int scanner() {
+ const char* Titre = "Titre";
+ const char* Auteur = "Auteur";
+ unsigned int j = 0;
+
+// The main loop get the next character
+init:
+ if (c == ' ' || c == '\t') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto init;
+ }
+ if (c == '\n') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto initLV1;
+ }
+ if (c == '>') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto MC1;
+ }
+ if (c == '=') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto S1SS1;
+ }
+ if (istAlpha()) {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto M1;
+ }
+ if (c == EOF) {
+ goto FIN;
+ } else {
+ goto error;
+ }
+
+MC1:
+ // FIXME: Partial match need a rewind in the characters extraction from the file
+ if (c == Titre[j] && j < strlen(Titre) - 1) {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ j++;
+ goto MC1;
+ }
+ if (c == Auteur[j] && j < strlen(Auteur) - 1) {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ j++;
+ goto MC1;
+ } else {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto MC2;
+ }
+
+S1SS1:
+ if (c == '=') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto SS2;
+ }
+ if (isSeparator() || c == EOF) {
+ goto SECTION;
+ }
+
+SS2:
+ if (isSeparator() || c == EOF) {
+ goto SSECTION;
+ }
+
+SECTION:
+ tokenType = SECTION;
+ return 1;
+
+SSECTION:
+ tokenType = SSECTION;
+ return 1;
+
+M1:
+ if (istAlpha()) {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto M1;
+ }
+ if (isSeparator() || c == EOF) {
+ goto MOT;
+ }
+
+initLV1:
+ if (c == ' ' || c == '\t') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto initLV1;
+ }
+ if (c == '\n') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto initLV1LV2;
+ }
+ if (istAlpha()) {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto M1;
+ }
+ if (c == '=') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto S1SS1;
+ }
+ if (c == '>') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto MC1;
+ }
+ if (c == EOF) {
+ goto FIN;
+ }
+
+initLV1LV2:
+ if (isSeparator()) {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto initLV1LV2;
+ }
+ if (istAlpha()) {
+ goto NPARA;
+ }
+ if (c == '>') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto MC1;
+ }
+ if (c == '=') {
+ c = fgetc(source);
+ tokenValue[i] = c;
+ i++;
+ goto S1SS1;
+ }
+ if (c == EOF) {
+ goto FIN;
+ }
+
+NPARA:
+ tokenType = NPARA;
+ return 1;
+
+MOT:
+ tokenType = MOT;
+ return 1;
+
+MC2:
+ if (isSeparator() || c == EOF) {
+ goto MOTCLE;
+ }
+
+MOTCLE:
+ tokenType = MOTCLE;
+ return 1;
+
+FIN:
+ tokenType = FIN;
+ return 1;
+
+error:
+ tokenType = FIN;
+ return -1;
+}
+
+int main (int argc, char const *argv[]) {
+
+ // Ouvre le fichier test.txt en lecture seulement (le fichier doit exister) :
+ source = fopen("test.txt", "r");
+ // Cree et ouvre un fichier target.html en lecture/ecriture
+ // avec suppression du contenu au prealable :
+ target = fopen("target.html", "w+");
+
+ if (source == NULL) {
+ printf("Impossible d'ouvrir le fichier source\n");
+ return -1;
+ }
+
+ if (target == NULL) {
+ printf("Impossible d'ouvrir le fichier target\n");
+ return -1;
+ }
+
+ int tokenFound = 0;
+
+ do {
+ c = fgetc(source); // lecture du caractere suivant du fichier source
+ tokenValue[i] = c;
+ i++;
+ int scanrt = scanner();
+ if (scanrt == -1) {
+ printf ("Scanner error with token value: %s\n", tokenValue);
+ exit(EXIT_FAILURE);
+ }
+ if (c != EOF) {
+ printf ("Token type found: %s with value: %s\n", tokenTypestr[tokenType], tokenValue);
+ } else {
+ printf ("Token type found: %s\n", tokenTypestr[tokenType]);
+ }
+ tokenFound++;
+ tokenList[tokenFound] = tokenTypestr[tokenType];
+ // reinit tokenValue
+ i = 0;
+ memset(tokenValue, 0, sizeof(tokenValue));
+ } while (c != EOF); // tant que la fin du fichier n'est pas atteinte
+
+ if (source != NULL) fclose(source); // fermeture du fichier source
+ if (target != NULL) fclose(target); // fermeture du fichier target
+
+ return 0;
+}
repositories / TP_AL_C.git / blobdiff