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/*
 *  R : A Computer Language for Statistical Data Analysis
 *  Copyright (C) 1995-1997, 1998  Robert Gentleman and Ross Ihaka
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  EXPORTS printVector()
 *          printNamedVector()
 *          printRealVector()
 *          printIntegerVector()
 *          printComplexVector()
 *
 *  See ./printutils.c   for remarks on Printing and the Encoding utils.
 *  See ./format.c   for the formatXXXX functions used below.
 */

#include "Defn.h"
#include "Print.h"

static void printLogicalVector(int *x, int n, int index)
{
    int i, w, labwidth=0, width;

    if (index) {
    labwidth = IndexWidth(n) + 2;
    VectorIndex(1, labwidth);
    width = labwidth;
    }
    else width = 0;

    formatLogical(x, n, &w);
    w += PRINT_GAP;

    for (i = 0; i < n; i++) {
    if (width + w > PRINT_WIDTH) {
        Rprintf("\n");
        if (index) {
        VectorIndex(i + 1, labwidth);
        width = labwidth;
        }
        else
        width = 0;
    }
    Rprintf("%s", EncodeLogical(x[i], w));
    width += w;
    }
    Rprintf("\n");
}

void printIntegerVector(int *x, int n, int index)
{
    int i, w, labwidth=0, width;

    if (index) {
    labwidth = IndexWidth(n) + 2;
    VectorIndex(1, labwidth);
    width = labwidth;
    }
    else width = 0;

    formatInteger(x, n, &w);
    w += PRINT_GAP;

    for (i = 0; i < n; i++) {
    if (width + w > PRINT_WIDTH) {
        Rprintf("\n");
        if (index) {
        VectorIndex(i + 1, labwidth);
        width = labwidth;
        }
        else
        width = 0;
    }
    Rprintf("%s", EncodeInteger(x[i], w));
    width += w;
    }
    Rprintf("\n");
}

void printRealVector(double *x, int n, int index)
{
    int i, w, d, e, labwidth=0, width;

    if (index) {
    labwidth = IndexWidth(n) + 2;
    VectorIndex(1, labwidth);
    width = labwidth;
    }
    else width = 0;

    formatReal(x, n, &w, &d, &e);
    w += PRINT_GAP;

    for (i = 0; i < n; i++) {
    if (width + w > PRINT_WIDTH) {
        Rprintf("\n");
        if (index) {
        VectorIndex(i + 1, labwidth);
        width = labwidth;
        }
        else
        width = 0;
    }
    Rprintf("%s", EncodeReal(x[i], w, d, e));
    width += w;
    }
    Rprintf("\n");
}

void printComplexVector(complex *x, int n, int index)
{
    int i, w, wr, dr, er, wi, di, ei, labwidth=0, width;

    if (index) {
    labwidth = IndexWidth(n) + 2;
    VectorIndex(1, labwidth);
    width = labwidth;
    }
    else width = 0;

    formatComplex(x, n, &wr, &dr, &er, &wi, &di, &ei);

    w = wr + wi + 2;    /* +2 for "+" and "i" */
    w += PRINT_GAP;

    for (i = 0; i < n; i++) {
    if (width + w > PRINT_WIDTH) {
        Rprintf("\n");
        if (index) {
        VectorIndex(i + 1, labwidth);
        width = labwidth;
        }
        else
        width = 0;
    }
    if (ISNA(x[i].r) || ISNA(x[i].i)) {
        Rprintf("%s", EncodeReal(NA_REAL, w, 0, 0));
    }
    else {
        Rprintf("%s", EncodeComplex(x[i], wr + PRINT_GAP , dr, er, wi, di, ei));
    }
    width += w;
    }
    Rprintf("\n");
}

static void printStringVector(SEXP * x, int n, int quote, int index)
{
    int i, w, labwidth=0, width;

    if (index) {
    labwidth = IndexWidth(n) + 2;
    VectorIndex(1, labwidth);
    width = labwidth;
    }
    else width = 0;

    formatString(x, n, &w, quote);

    for (i = 0; i < n; i++) {
    if (i > 0 && width + w + PRINT_GAP > PRINT_WIDTH) {
        Rprintf("\n");
        if (index) {
        VectorIndex(i + 1, labwidth);
        width = labwidth;
        }
        else
        width = 0;
    }
    Rprintf("%*s%s", PRINT_GAP, "", EncodeString(CHAR(x[i]), w, quote, adj_left));
    width += w + PRINT_GAP;
    }
    Rprintf("\n");
}

void printVector(SEXP x, int index, int quote)
{
    int n;

    if ((n = LENGTH(x)) != 0)
    switch (TYPEOF(x)) {
    case LGLSXP:
        printLogicalVector(LOGICAL(x), n, index);
        break;
    case INTSXP:
        printIntegerVector(INTEGER(x), n, index);
        break;
    case REALSXP:
        printRealVector(REAL(x), n, index);
        break;
    case STRSXP:
        if (quote)
        printStringVector(STRING(x), n, '"', index);
        else
        printStringVector(STRING(x), n, 0, index);
        break;
    case CPLXSXP:
        printComplexVector(COMPLEX(x), n, index);
        break;
    }
    else
    switch (TYPEOF(x)) {
    case LGLSXP:
        Rprintf("logical(0)\n");
        break;
    case INTSXP:
    case REALSXP:
        Rprintf("numeric(0)\n");
        break;
    case CPLXSXP:
        Rprintf("complex(0)\n");
        break;
    case STRSXP:
        Rprintf("character(0)\n");
        break;
    }
}

/* The following code prints vectors which have every element named */
/* Primitives for each type of vector are presented first, followed */
/* by the main (despatching) function */

static void printNamedLogicalVector(int * x, int n, SEXP * names)
{
    int i, j, k, nlines, nperline, w, wn;

    formatLogical(x, n, &w);
    formatString(names, n, &wn, 0);

    if (w < wn) w = wn;
    nperline = PRINT_WIDTH / (w + PRINT_GAP);
    if (nperline <= 0) nperline = 1;
    nlines = n / nperline;
    if (n % nperline) nlines += 1;

    for (i = 0; i < nlines; i++) {
    if (i) Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++) {
        Rprintf("%s%*s", EncodeString(CHAR(names[k]), w, 0, adj_right),
            PRINT_GAP, "");
    }
    Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++) {
        Rprintf("%s%*s", EncodeLogical(x[k], w), PRINT_GAP, "");
    }
    }
    Rprintf("\n");
}

static void printNamedIntegerVector(int * x, int n, SEXP * names)
{
    int i, j, k, w, wn, nlines, nperline;

    formatInteger(x, n, &w);
    formatString(names, n, &wn, 0);
    if (w < wn) w = wn;
    nperline = PRINT_WIDTH / (w + PRINT_GAP);
    if (nperline <= 0) nperline = 1;
    nlines = n / nperline;
    if (n % nperline) nlines += 1;

    for (i = 0; i < nlines; i++) {
    if (i) Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++) {
        Rprintf("%s%*s", EncodeString(CHAR(names[k]), w, 0, adj_right),
            PRINT_GAP, "");
    }
    Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++)
        Rprintf("%s%*s", EncodeInteger(x[k], w), PRINT_GAP, "");
    }
    Rprintf("\n");
}

static void printNamedRealVector(double * x, int n, SEXP * names)
{
    int i, j, k, w, wn, d, e, nlines, nperline;

    formatReal(x, n, &w, &d, &e);
    formatString(names, n, &wn, 0);
    if (w < wn) w = wn;
    nperline = PRINT_WIDTH / (w + PRINT_GAP);
    if (nperline <= 0) nperline = 1;
    nlines = n / nperline;
    if (n % nperline) nlines += 1;

    for (i = 0; i < nlines; i++) {
    if (i) Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++) {
        Rprintf("%s%*s", EncodeString(CHAR(names[k]), w, 0, adj_right), PRINT_GAP, "");
    }
    Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++)
        Rprintf("%s%*s", EncodeReal(x[k], w, d, e), PRINT_GAP, "");
    }
    Rprintf("\n");
}

static void printNamedComplexVector(complex *x, int n, SEXP *names)
{
    int i, j, k, w, wn, wr, dr, er, wi, di, ei, nlines, nperline;

    formatComplex(x, n, &wr, &dr, &er, &wi, &di, &ei);
    w = wr + wi + 2;
    formatString(names, n, &wn, 0);
    if (w < wn) w = wn;
    nperline = PRINT_WIDTH / (w + PRINT_GAP);
    if (nperline <= 0) nperline = 1;
    nlines = n / nperline;
    if (n % nperline) nlines += 1;

    for (i = 0; i < nlines; i++) {
    if (i) Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++) {
        Rprintf("%s%*s", EncodeString(CHAR(names[k]), w, 0, adj_right), PRINT_GAP, "");
    }
    Rprintf("\n");
    for (j=0; j<nperline && (k =i*nperline+j) < n; j++) {
        if (ISNA(x[j].r) || ISNA(x[j].i)) {
        Rprintf("%s", EncodeReal(NA_REAL, w, 0, 0));
        }
        else {
        Rprintf("%*s%s", PRINT_GAP, "", EncodeReal(x[k].r, wr, dr, er));
#ifdef IEEE_754
        if(ISNAN(x[k].i))
            Rprintf("+%si", "NaN");
        else
#endif
            if(x[k].i >= 0)
            Rprintf("+%si", EncodeReal(x[k].i, wi, di, ei));
            else
            Rprintf("-%si", EncodeReal(-x[k].i, wi, di, ei));
        }
    }
    }
    Rprintf("\n");
}

static void printNamedStringVector(SEXP * x, int n, int quote, SEXP * names)
{
    int i, j, k, w, wn, nlines, nperline;


    formatString(x, n, &w, quote);
    formatString(names, n, &wn, 0);
    if (w < wn) w = wn;
    nperline = PRINT_WIDTH / (w + PRINT_GAP);
    if (nperline <= 0) nperline = 1;
    nlines = n / nperline;
    if (n % nperline) nlines += 1;

    for (i = 0; i < nlines; i++) {
    if (i) Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++) {
        Rprintf("%s%*s", EncodeString(CHAR(names[k]), w, 0, adj_right), PRINT_GAP, "");
    }
    Rprintf("\n");
    for (j = 0; j < nperline && (k = i * nperline + j) < n; j++)
        Rprintf("%s%*s", EncodeString(CHAR(x[k]), w, quote, adj_right), PRINT_GAP, "");
    }
    Rprintf("\n");
}

void printNamedVector(SEXP x, SEXP names, int quote)
{
    int n;

    if ((n = LENGTH(x)) != 0)
    switch (TYPEOF(x)) {
    case LGLSXP:
        printNamedLogicalVector(LOGICAL(x), n, STRING(names));
        break;
    case INTSXP:
        printNamedIntegerVector(INTEGER(x), n, STRING(names));
        break;
    case REALSXP:
        printNamedRealVector(REAL(x), n, STRING(names));
        break;
    case CPLXSXP:
        printNamedComplexVector(COMPLEX(x), n, STRING(names));
        break;
    case STRSXP:
        if(quote) quote = '"';
        printNamedStringVector(STRING(x), n, quote, STRING(names));
        break;
    }
    else
    switch (TYPEOF(x)) {
    case LGLSXP:
        Rprintf("logical(0)\n");
        break;
    case INTSXP:
        Rprintf("integer(0)\n");
        break;
    case REALSXP:
        Rprintf("real(0)\n");
        break;
    case STRSXP:
        Rprintf("character(0)\n");
        break;
    }
}