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/*$TITLE=Program to list C source files on an HP Laserjet printer*/ /* ********************************************************************************************************* * HPLISTC * * Program to list C source files on an HP Laserjet Printer * * * * Filename : HPLISTC.C * Programmer(s): Jean J. Labrosse ********************************************************************************************************* * * * Program use : * * HPLISTC filename.ext [L | P] [>destination] * * where : * * filename.ext Is the name of the file to list (with extension) * [L] Indicates that the printer will print in LANDSCAPE mode * [P] Indicates that the printer will print in PORTRAIT mode (default) * [>destination] Is the destination of the listed file, it can be: * >PRN for the printer * >file.ext for redirecting it to a file * * Note: This program is compiled using the Borland International C++ compiler Version 3.0 ********************************************************************************************************* */ /* ********************************************************************************************************* * INCLUDES ********************************************************************************************************* */ #include#include #include /*$PAGE*/ /* ********************************************************************************************************* * LOCAL CONSTANTS ********************************************************************************************************* */ #define PRINTER_FORM_FEED 0x0C /* compressed mode, 10 pts BOLD */ #define PRINTER_COMPRESSED_MODE "\x01B(10U\x01B(s0P\x01B(s16.6H\x01B&k2S\x01B(s3B" #define PRINTER_LANDSCAPE "\x01B&l1O" /* LANDSCAPE mode. */ #define PRINTER_NORMAL_MODE "\x01B&l0O\033E" /* normal mode. */ #define PRINTER_PAGE_LENGTH "\x01B&l2E\x01B&l7.6C\x01B&l66F" /* 66 lines/page. */ #define NUL 0x00 #define NULLPTR (char *)0 #define PORTRAIT 0 #define LANDSCAPE 1 #define TRUE 1 #define FALSE 0 /* ********************************************************************************************************* * TYPE DECLARATIONS ********************************************************************************************************* */ typedef unsigned char BOOLEAN; typedef struct cmd { /* Special comment COMMANDS structure */ char *CmdName; /* Name of COMMAND */ void (*CmdFnct)(char *s); /* Function to execute when COMMAND is found */ } CMD; /* ********************************************************************************************************* * FUNCTION PROTOTYPES ********************************************************************************************************* */ void main(int argc, char *argv[]); static void ListcInit(void); static BOOLEAN ListcChkCmd(char *s); static void ListcNewPage(char *s); static void ListcChangeTitle(char *s); static void ListcHdr(void); static void ListcGetDate(char *s); static void ListcGetTime(char *s); /*$PAGE*/ /* ********************************************************************************************************* * GLOBAL VARIABLES ********************************************************************************************************* */ static char ListcInStr[256]; /* Input String */ static char ListcDate[30]; /* Current Date */ static char ListcTime[30]; /* Current Time */ static char ListcFileName[100]; /* File Name */ static int ListcLineN; /* Line counter */ static int ListcPageN; /* Page counter */ static char ListcTitle[150]; /* Page TITLE */ static FILE *ListcSrcFile; /* File pointer (Input file) */ static int ListcMode; /* ********************************************************************************************************* * TABLES ********************************************************************************************************* */ static char *ListcMonths[] = { /* Table of MONTHs */ "", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }; static CMD ListcCmdTable[] = { /* Table of comment COMMANDS */ {"page", ListcNewPage}, /* PAGE break command */ {"PAGE", ListcNewPage}, {"title", ListcChangeTitle}, /* TITLE command */ {"TITLE", ListcChangeTitle}, {"", (void (*)())0} }; /*$PAGE*/ /* ********************************************************************************************************* * LISTC ENTRY POINT ********************************************************************************************************* */ void main(int argc, char *argv[]) { if (argc < 2 || argc > 3) { /* Valid number of arguments ? */ fprintf(stdout, "\n\n"); fprintf(stdout, "Name of file to print missing, use:\n\n"); fprintf(stdout, " HPLISTC filename.ext [L | l | P | p] [>destination]\n\n\n"); fprintf(stdout, " where:\n"); fprintf(stdout, " filename.ext is the name of the file to print\n"); fprintf(stdout, " L | l indicates to put the printer in LANDSCAPE mode\n"); fprintf(stdout, " P | p indicates to put the printer in PORTRAIT mode (Dflt)\n"); fprintf(stdout, " destination is the redirected destination of the file\n"); fprintf(stdout, " >PRN to redirect the file to the printer\n"); fprintf(stdout, " >file.ext to redirect to a file\n"); return; } ListcMode = PORTRAIT; /* Default to PORTRAIT mode */ if (argc > 2) { /* See if mode is specified */ if ((strcmp(argv[2], "L") == 0) || (strcmp(argv[2], "l") == 0)) ListcMode = LANDSCAPE; /* Force to LANDSCAPE mode */ } ListcInit(); /* Perform initializations */ strcpy(ListcFileName, argv[1]); /* Get file name */ ListcSrcFile = fopen(ListcFileName, "r"); /* Open file to list */ if (ListcSrcFile == NULL) { /* Make sure that file got opened */ fprintf(stdout, "Cannot open %s.\n", ListcFileName); /* Display error message */ return; } ListcHdr(); /* Print page header */ while (fgets(ListcInStr, 250, ListcSrcFile) != NULL) { /* Print code */ if (ListcChkCmd(ListcInStr) == FALSE) { /* See if input line is a command */ fprintf(stdout, "%04d %s", ListcLineN, ListcInStr); } ListcLineN++; } fclose(ListcSrcFile); /* Close input file */ fprintf(stdout, "%c", PRINTER_FORM_FEED); fprintf(stdout, "%s", PRINTER_NORMAL_MODE); /* Set printer to normal mode */ } /*$PAGE*/ /* ********************************************************************************************************* * INITIALIZE LISTC ********************************************************************************************************* */ static void ListcInit(void) { ListcLineN = 1; ListcPageN = 1; strcpy(ListcTitle, ""); /* No TITLE when we start */ ListcGetDate(ListcDate); /* Get the current date 'Month day, year' */ ListcGetTime(ListcTime); /* Get the current time 'HH:MM:SS' */ fprintf(stdout, "%s", PRINTER_PAGE_LENGTH); /* Set page length to 66 lines per page. */ fprintf(stdout, "%s", PRINTER_COMPRESSED_MODE); /* Force printer into compressed mode */ if (ListcMode == LANDSCAPE) { fprintf(stdout, "%s", PRINTER_LANDSCAPE); /* Force printer into LANDSCAPE mode */ } } /* ********************************************************************************************************* * CHECK FOR LISTC COMMAND ********************************************************************************************************* */ static BOOLEAN ListcChkCmd(char *s) { char *p1; /* Pointer to command name */ char *p2; /* Pointer to command buffer */ CMD *ptr; /* Pointer to table of available cmds */ char cmd[80]; /* Buffer to hold the command name */ cmd[0] = NUL; p1 = strchr(s, '$'); /* Look for '$' in string */ if (p1 != NULLPTR) { /* See if we found a '$' */ p1++; /* We did, position on next character */ p2 = &cmd[0]; /* Set up to copy command to buffer */ while (*p1 != NUL && strchr(" =*", *p1) == NULLPTR) { /* Copy cmd until '=', '*', ' ' or NUL */ *p2++ = *p1++; } *p2 = NUL; /* Append NUL at end of command */ ptr = &ListcCmdTable[0]; /* Search for command in command table */ while (ptr->CmdName[0] != NUL) { /* Go through the whole command table */ if (strcmp(ptr->CmdName, cmd) == 0) { /* See if we found the cmd to execute */ ptr->CmdFnct(p1); /* We found the command name, */ return (TRUE); /* ... execute the function */ } else { ptr++; /* Look for next entry in cmd table */ } } } return (FALSE); } /*$PAGE*/ /* ********************************************************************************************************* * LISTC 'PAGE' COMMAND HANDLER ********************************************************************************************************* */ static void ListcNewPage(char *s) { s[0] = s[0]; /* Prevent compiler warning */ ListcPageN++; /* Increment the page counter */ fprintf(stdout, "%c", PRINTER_FORM_FEED); /* Issue a form feed */ ListcHdr(); /* Make the page header */ } /* ********************************************************************************************************* * LISTC 'TITLE' COMMAND HANDLER ********************************************************************************************************* */ static void ListcChangeTitle(char *s) { char *p1; ListcTitle[0] = NUL; /* Initialize the TITLE to empty */ p1 = &ListcTitle[0]; /* Position at beginning of destination */ s++; /* Ignore the '=' */ while (*s != NUL && strchr("*", *s) == NULLPTR) { /* Copy command until '*' or NUL */ *p1++ = *s++; } *p1 = NUL; /* Append NUL terminator at end of command */ } /*$PAGE*/ /* ********************************************************************************************************* * PRINT PAGE HEADER ********************************************************************************************************* */ static void ListcHdr(void) { fprintf(stdout, " "); fprintf(stdout, "%-15s ", ListcDate); fprintf(stdout, "%-15s ", ListcTime); fprintf(stdout, "%-20s ", ListcFileName); fprintf(stdout, " Page: %03d\n", ListcPageN); if (ListcTitle[0] != NUL) { fprintf(stdout, " %s\n", ListcTitle); /* Output TITLE if we have a title */ } fprintf(stdout, "\n\n"); } /* ********************************************************************************************************* * GET CURRENT DATE ********************************************************************************************************* */ static void ListcGetDate(char *str) { struct date today; /* Structure to hold current date */ getdate(&today); /* Function to get the current DATE */ sprintf(str, "%s %2d, %4d", ListcMonths[today.da_mon], today.da_day, today.da_year); } /* ********************************************************************************************************* * GET CURRENT TIME ********************************************************************************************************* */ static void ListcGetTime(char *str) { struct time now; /* Structure to hold current time */ gettime(&now); /* Function to get the current TIME */ sprintf(str, "%02d:%02d:%02d", now.ti_hour, now.ti_min, now.ti_sec); }