remove subdirectories

1 files changed, 561 insertions, 0 deletions

diff --git a/src/string_util.c b/src/string_util.c
new file mode 100644
index 000000000..7316f533a
--- /dev/null
+++ b/src/string_util.c
@@ -0,0 +1,561 @@
+#include "global.h"
+#include "string_util.h"
+#include "strings.h"
+#include "text.h"
+
+u8 gUnknownStringVar[16];
+
+const u8 gEmptyString_81E72B0[] = _("");
+const u8 gRightPointingTriangleString[] = _("▶");
+
+static const u8 sDigits[] = __("0123456789ABCDEF");
+
+static const s32 sPowersOfTen[] =
+{
+             1,
+            10,
+           100,
+          1000,
+         10000,
+        100000,
+       1000000,
+      10000000,
+     100000000,
+    1000000000,
+};
+
+u8 *StringCopy10(u8 *dest, const u8 *src)
+{
+    u8 i;
+    u32 limit = 10;
+
+    for (i = 0; i < limit; i++)
+    {
+        dest[i] = src[i];
+
+        if (dest[i] == EOS)
+            return &dest[i];
+    }
+
+    dest[i] = EOS;
+    return &dest[i];
+}
+
+u8 *StringGetEnd10(u8 *str)
+{
+    u8 i;
+    u32 limit = 10;
+
+    for (i = 0; i < limit; i++)
+        if (str[i] == EOS)
+            return &str[i];
+
+    str[i] = EOS;
+    return &str[i];
+}
+
+u8 *StringCopy8(u8 *dest, const u8 *src)
+{
+    s32 i;
+
+    for (i = 0; i < 8; i++)
+    {
+        dest[i] = src[i];
+
+        if (dest[i] == EOS)
+            return &dest[i];
+    }
+
+    dest[i] = EOS;
+    return &dest[i];
+}
+
+u8 *StringCopy(u8 *dest, const u8 *src)
+{
+    while (*src != EOS)
+    {
+        *dest = *src;
+        dest++;
+        src++;
+    }
+
+    *dest = EOS;
+    return dest;
+}
+
+u8 *StringAppend(u8 *dest, const u8 *src)
+{
+    while (*dest != EOS)
+        dest++;
+
+    return StringCopy(dest, src);
+}
+
+u8 *StringCopyN(u8 *dest, const u8 *src, u8 n)
+{
+    u16 i;
+
+    for (i = 0; i < n; i++)
+        dest[i] = src[i];
+
+    return &dest[n];
+}
+
+u8 *StringAppendN(u8 *dest, const u8 *src, u8 n)
+{
+    while (*dest != EOS)
+        dest++;
+
+    return StringCopyN(dest, src, n);
+}
+
+u16 StringLength(const u8 *str)
+{
+    u16 length = 0;
+
+    while (str[length] != EOS)
+    {
+        u16 temp = length;
+        length++;
+        if (str[temp] == EXT_CTRL_CODE_BEGIN)
+            length += GetExtCtrlCodeLength(str[length]);
+    }
+
+    return length;
+}
+
+#ifdef GERMAN
+s32 StringLengthN(const u8 *str, s32 n)
+{
+    s32 i;
+
+    for (i = 0; i < n && str[i] != EOS; i++)
+        ;
+
+    if (i == n)
+        i = 0;
+
+    return i;
+}
+#endif
+
+s32 StringCompare(const u8 *str1, const u8 *str2)
+{
+    while (*str1 == *str2)
+    {
+        if (*str1 == EOS)
+            return 0;
+        str1++;
+        str2++;
+    }
+
+    return *str1 - *str2;
+}
+
+s32 StringCompareN(const u8 *str1, const u8 *str2, u32 n)
+{
+    while (*str1 == *str2)
+    {
+        if (*str1 == EOS)
+            return 0;
+        str1++;
+        str2++;
+        if (--n == 0)
+            return 0;
+    }
+
+    return *str1 - *str2;
+}
+
+u8 *ConvertIntToDecimalStringN(u8 *dest, s32 value, enum StringConvertMode mode, u8 n)
+{
+    enum { WAITING_FOR_NONZERO_DIGIT, WRITING_DIGITS, WRITING_SPACES } state;
+    s32 powerOfTen;
+    s32 largestPowerOfTen = sPowersOfTen[n - 1];
+
+    state = WAITING_FOR_NONZERO_DIGIT;
+
+    if (mode == STR_CONV_MODE_RIGHT_ALIGN)
+        state = WRITING_SPACES;
+
+    if (mode == STR_CONV_MODE_LEADING_ZEROS)
+        state = WRITING_DIGITS;
+
+    for (powerOfTen = largestPowerOfTen; powerOfTen > 0; powerOfTen /= 10)
+    {
+        char *out;
+        u8 c;
+        u16 digit = value / powerOfTen;
+        s32 temp = value - (powerOfTen * digit);
+
+        if (state == WRITING_DIGITS)
+        {
+            out = dest++;
+
+            if (digit <= 9)
+                c = sDigits[digit];
+            else
+                c = CHAR_QUESTION_MARK;
+
+            *out = c;
+        }
+        else if (digit != 0 || powerOfTen == 1)
+        {
+            state = WRITING_DIGITS;
+            out = dest++;
+
+            if (digit <= 9)
+                c = sDigits[digit];
+            else
+                c = CHAR_QUESTION_MARK;
+
+            *out = c;
+        }
+        else if (state == WRITING_SPACES)
+        {
+            *dest++ = CHAR_SPACE;
+        }
+
+        value = temp;
+    }
+
+    *dest = EOS;
+    return dest;
+}
+
+u8 *ConvertIntToDecimalStringN_DigitWidth6(u8 *dest, s32 value, enum StringConvertMode mode, u8 n)
+{
+    enum { WAITING_FOR_NONZERO_DIGIT, WRITING_DIGITS, WRITING_SPACES } state;
+    s32 powerOfTen;
+    s32 largestPowerOfTen = sPowersOfTen[n - 1];
+
+    *dest++ = EXT_CTRL_CODE_BEGIN;
+    *dest++ = 0x14;
+    *dest++ = 6;
+
+    state = WAITING_FOR_NONZERO_DIGIT;
+
+    if (mode == STR_CONV_MODE_RIGHT_ALIGN)
+        state = WRITING_SPACES;
+
+    if (mode == STR_CONV_MODE_LEADING_ZEROS)
+        state = WRITING_DIGITS;
+
+    for (powerOfTen = largestPowerOfTen; powerOfTen > 0; powerOfTen /= 10)
+    {
+        char *out;
+        u8 c;
+        u16 digit = value / powerOfTen;
+        s32 temp = value - (powerOfTen * digit);
+
+        if (state == WRITING_DIGITS)
+        {
+            out = dest++;
+
+            if (digit <= 9)
+                c = sDigits[digit];
+            else
+                c = CHAR_QUESTION_MARK;
+
+            *out = c;
+        }
+        else if (digit != 0 || powerOfTen == 1)
+        {
+            state = WRITING_DIGITS;
+            out = dest++;
+
+            if (digit <= 9)
+                c = sDigits[digit];
+            else
+                c = CHAR_QUESTION_MARK;
+
+            *out = c;
+        }
+        else if (state == WRITING_SPACES)
+        {
+            *dest++ = CHAR_SPACE;
+        }
+
+        value = temp;
+    }
+
+    *dest++ = EXT_CTRL_CODE_BEGIN;
+    *dest++ = 0x14;
+    *dest++ = 0x00;
+
+    *dest = EOS;
+    return dest;
+}
+
+u8 *ConvertIntToHexStringN(u8 *dest, s32 value, enum StringConvertMode mode, u8 n)
+{
+    enum { WAITING_FOR_NONZERO_DIGIT, WRITING_DIGITS, WRITING_SPACES } state;
+    u8 i;
+    s32 powerOfSixteen;
+    s32 largestPowerOfSixteen = 1;
+
+    for (i = 1; i < n; i++)
+        largestPowerOfSixteen *= 16;
+
+    state = WAITING_FOR_NONZERO_DIGIT;
+
+    if (mode == STR_CONV_MODE_RIGHT_ALIGN)
+        state = WRITING_SPACES;
+
+    if (mode == STR_CONV_MODE_LEADING_ZEROS)
+        state = WRITING_DIGITS;
+
+    for (powerOfSixteen = largestPowerOfSixteen; powerOfSixteen > 0; powerOfSixteen /= 16)
+    {
+        char *out;
+        u8 c;
+        u32 digit = value / powerOfSixteen;
+        s32 temp = value % powerOfSixteen;
+
+        if (state == WRITING_DIGITS)
+        {
+            out = dest++;
+
+            if (digit <= 0xF)
+                c = sDigits[digit];
+            else
+                c = CHAR_QUESTION_MARK;
+
+            *out = c;
+        }
+        else if (digit != 0 || powerOfSixteen == 1)
+        {
+            state = WRITING_DIGITS;
+            out = dest++;
+
+            if (digit <= 0xF)
+                c = sDigits[digit];
+            else
+                c = CHAR_QUESTION_MARK;
+
+            *out = c;
+        }
+        else if (state == WRITING_SPACES)
+        {
+            *dest++ = CHAR_SPACE;
+        }
+
+        value = temp;
+    }
+
+    *dest = EOS;
+    return dest;
+}
+
+u8 *ConvertIntToDecimalString(u8 *dest, s32 value)
+{
+    char temp[12];
+    s32 length = 0;
+
+    do
+    {
+        temp[length++] = sDigits[value % 10];
+        value /= 10;
+    } while (value != 0);
+
+    length--;
+
+    while (length != -1)
+    {
+        *dest++ = temp[length];
+        length--;
+    }
+
+    *dest = EOS;
+    return dest;
+}
+
+u8 *StringExpandPlaceholders(u8 *dest, const u8 *src)
+{
+    for (;;)
+    {
+        u8 c = *src++;
+        u8 placeholderId;
+        const u8 *expandedString;
+        u8 length;
+
+        switch (c)
+        {
+        case PLACEHOLDER_BEGIN:
+            placeholderId = *src++;
+            expandedString = GetExpandedPlaceholder(placeholderId);
+            dest = StringExpandPlaceholders(dest, expandedString);
+            break;
+        case EXT_CTRL_CODE_BEGIN:
+            *dest++ = c;
+            length = GetExtCtrlCodeLength(*src);
+            memcpy(dest, src, length);
+            dest += length;
+            src += length;
+            break;
+        case EOS:
+            *dest = EOS;
+            return dest;
+        case 0xFA:
+        case 0xFB:
+        case 0xFE:
+        default:
+            *dest++ = c;
+        }
+    }
+}
+
+u8 *StringBraille(u8 *dest, const u8 *src)
+{
+    u8 setBrailleFont[] = { 0xFC, 0x06, 0x06, 0xFF };
+    u8 gotoLine2[] = { 0xFE, 0xFC, 0x0E, 0x02, 0xFF };
+
+    dest = StringCopy(dest, setBrailleFont);
+
+    for (;;)
+    {
+        u8 c = *src++;
+
+        switch (c)
+        {
+        case EOS:
+            *dest = c;
+            return dest;
+        case 0xFE:
+            dest = StringCopy(dest, gotoLine2);
+            break;
+        default:
+            *dest++ = c;
+            *dest++ = c + 0x40;
+            break;
+        }
+    }
+}
+
+static const u8 *ExpandPlaceholder_UnknownStringVar(void)
+{
+    return gUnknownStringVar;
+}
+
+static const u8 *ExpandPlaceholder_PlayerName(void)
+{
+    return gSaveBlock2.playerName;
+}
+
+static const u8 *ExpandPlaceholder_StringVar1(void)
+{
+    return gStringVar1;
+}
+
+static const u8 *ExpandPlaceholder_StringVar2(void)
+{
+    return gStringVar2;
+}
+
+static const u8 *ExpandPlaceholder_StringVar3(void)
+{
+    return gStringVar3;
+}
+
+static const u8 *ExpandPlaceholder_KunChan(void)
+{
+    if (gSaveBlock2.playerGender == MALE)
+        return gExpandedPlaceholder_Kun;
+    else
+        return gExpandedPlaceholder_Chan;
+}
+
+static const u8 *ExpandPlaceholder_RivalName(void)
+{
+    if (gSaveBlock2.playerGender == MALE)
+        return gExpandedPlaceholder_May;
+    else
+        return gExpandedPlaceholder_Brendan;
+}
+
+#define VERSION_DEPENDENT_PLACEHOLDER_LIST \
+    X(Version,       Ruby,    Sapphire)    \
+    X(EvilTeam,      Magma,   Aqua)        \
+    X(GoodTeam,      Aqua,    Magma)       \
+    X(EvilLeader,    Maxie,   Archie)      \
+    X(GoodLeader,    Archie,  Maxie)       \
+    X(EvilLegendary, Groudon, Kyogre)      \
+    X(GoodLegendary, Kyogre,  Groudon)
+
+#ifdef SAPPHIRE
+#define X(ph, r, s) \
+static const u8 *ExpandPlaceholder_##ph(void) { return gExpandedPlaceholder_##s; }
+VERSION_DEPENDENT_PLACEHOLDER_LIST
+#else
+#define X(ph, r, s) \
+static const u8 *ExpandPlaceholder_##ph(void) { return gExpandedPlaceholder_##r; }
+VERSION_DEPENDENT_PLACEHOLDER_LIST
+#endif
+
+#undef X
+
+const u8 *GetExpandedPlaceholder(u32 id)
+{
+    typedef const u8 *(*ExpandPlaceholderFunc)(void);
+
+    static const ExpandPlaceholderFunc funcs[] =
+    {
+        ExpandPlaceholder_UnknownStringVar,
+        ExpandPlaceholder_PlayerName,
+        ExpandPlaceholder_StringVar1,
+        ExpandPlaceholder_StringVar2,
+        ExpandPlaceholder_StringVar3,
+        ExpandPlaceholder_KunChan,
+        ExpandPlaceholder_RivalName,
+        ExpandPlaceholder_Version,
+        ExpandPlaceholder_EvilTeam,
+        ExpandPlaceholder_GoodTeam,
+        ExpandPlaceholder_EvilLeader,
+        ExpandPlaceholder_GoodLeader,
+        ExpandPlaceholder_EvilLegendary,
+        ExpandPlaceholder_GoodLegendary,
+    };
+
+    if (id >= ARRAY_COUNT(funcs))
+        return gExpandedPlaceholder_Empty;
+    else
+        return funcs[id]();
+}
+
+u8 *StringFill(u8 *dest, u8 c, u16 n)
+{
+    u16 i;
+
+    for (i = 0; i < n; i++)
+        *dest++ = c;
+
+    *dest = EOS;
+    return dest;
+}
+
+u8 *StringCopyPadded(u8 *dest, const u8 *src, u8 c, u16 n)
+{
+    while (*src != EOS)
+    {
+        *dest++ = *src++;
+
+        if (n)
+            n--;
+    }
+
+    n--;
+
+    while (n != (u16)-1)
+    {
+        *dest++ = c;
+        n--;
+    }
+
+    *dest = EOS;
+    return dest;
+}
+
+u8 *StringFillWithTerminator(u8 *dest, u16 n)
+{
+    return StringFill(dest, EOS, n);
+}